| Commit message (Collapse) | Author | Age | Files | Lines |
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This avoids a recursive make into the doc subdir and speeds up the
build slightly. It also allows for more parallelism.
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This patch adds support for various system registers, up to Armv8.7-A.
This includes all the registers that were mentioned in the PR and that
hadn't become supported since.
opcodes/
PR aarch64/27145
* aarch64-opc.c (SR_V8_4): Remove duplicate definition.
(SR_V8_6, SR_V8_7, SR_GIC, SR_AMU): New macros.
(aarch64_sys_regs): Add missing entries (up to Armv8.7-A).
gas/
PR aarch64/27145
* testsuite/gas/aarch64/sysreg-8.s,
* testsuite/gas/aarch64/sysreg-8.d,
* testsuite/gas/aarch64/illegal-sysreg-8.s,
* testsuite/gas/aarch64/illegal-sysreg-8.d,
* testsuite/gas/aarch64/illegal-sysreg-8.l,
* testsuite/gas/aarch64/illegal-sysreg-8b.s,
* testsuite/gas/aarch64/illegal-sysreg-8b.d,
* testsuite/gas/aarch64/illegal-sysreg-8b.l: New tests.
* testsuite/gas/aarch64/sysreg.s: Change system register numbers
to ones that are still unallocated.
* testsuite/gas/aarch64/sysreg.d: Update accordingly.
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We have a +lor feature flag for the Limited Ordering Regions
extension, but the associated registers didn't use it.
opcodes/
* aarch64-opc.c (SR_LOR): New macro.
(aarch64_sys_regs): Use it for lorc_el1, lorea_el1, lorn_el1 and
lorsa_el1.
gas/
* testsuite/gas/aarch64/sysreg-7.s: Enable +lor.
* testsuite/gas/aarch64/illegal-sysreg-7.s: Test for LOR registers
without +lor.
* testsuite/gas/aarch64/illegal-sysreg-7.d: Update accordingly.
* testsuite/gas/aarch64/illegal-sysreg-7.l: Likewise.
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ZIDR_EL1 was part of an early version of SVE, but didn't make
it to the final release.
opcodes/
* aarch64-opc.c (aarch64_sys_regs): Remove zidr_el1 entry.
gas/
* testsuite/gas/aarch64/sve-sysreg.s: Remove zidr_el1.
* testsuite/gas/aarch64/sve-sysreg.d: Update accordingly.
* testsuite/gas/aarch64/sve-sysreg-invalid.l: Likewise.
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MFAR_EL3 is a read/write register, but was incorrectly marked as
read-only
[https://developer.arm.com/documentation/ddi0601/2021-09/AArch64-Registers/MFAR-EL3--PA-Fault-Address-Register?lang=en]
opcodes/
* aarch64-opc.c (aarch64_sys_regs): Mark mfar_el3 as read-write.
gas/
* testsuite/gas/aarch64/rme.s: Test writing to mfar_el3.
* testsuite/gas/aarch64/rme.d: Update accordingly.
* testsuite/gas/aarch64/rme-invalid.s: Delete.
* testsuite/gas/aarch64/rme-invalid.l: Likewise.
* testsuite/gas/aarch64/rme-invalid.d: Likewise.
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We were incorrectly allowing writes to PMSIDR_EL1, which is
a read-only register.
[https://developer.arm.com/documentation/ddi0595/2021-09/AArch64-Registers/PMSIDR-EL1--Sampling-Profiling-ID-Register?lang=en]
opcodes/
* aarch64-opc.c (aarch64_sys_regs): Make pmsidr_el1 as F_REG_READ.
gas/
* testsuite/gas/aarch64/msr.s: Remove write to pmsidr_el1.
* testsuite/gas/aarch64/msr.d: Update accordingly.
* testsuite/gas/aarch64/illegal-sysreg-2.s,
* testsuite/gas/aarch64/illegal-sysreg-2.d,
* testsuite/gas/aarch64/illegal-sysreg-2.l: New test.
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There is a lot of overlap between the ETM and ETE system registers,
so some registers were listed twice.
Already tested by etm.[sd] and ete.[sd].
opcodes/
* aarch64-opc.c (aarch64_sys_regs): Combine ETE and ETM blocks
and remove redundant entries.
gas/
* testsuite/gas/aarch64/etm.s: Remove duplicated test.
* testsuite/gas/aarch64/etm.d: Update accordingly.
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Previously we would not accept:
A .req B
if A happened to be the name of an instruction. Adding new
instructions could therefore invalidate existing register aliases.
I noticed this with a test that used "zero" as a register alias
for "xzr", where "zero" is now also the name of an SME instruction.
I don't have any evidence that "real" code is doing this, but it
seems at least plausible.
This patch switches things so that we check for register aliases
first. It might slow down parsing slightly, but the difference
is unlikely to be noticeable.
Things like:
b .req + 0
still work, since create_register_alias checks for " .req ",
and with the input scrubber, we'll only keep whitespace after
.req if it's followed by another name. If there's some valid
expression that I haven't thought about that is scrubbed to
" .req ", users could avoid the ambiguity by wrapping .req
in parentheses.
The new test for invalid aliases already passed. I just wanted
something to exercise the !dot condition.
I can't find a way of exercising the (existing) p == base condition,
but I'm not brave enough to say that it can never happen. If it does
happen, get_mnemonic_name would return an empty string.
gas/
* config/tc-aarch64.c (opcode_lookup): Move mnemonic extraction
code to...
(md_assemble): ...here. Check for register aliases first.
* testsuite/gas/aarch64/register_aliases.d,
testsuite/gas/aarch64/register_aliases.s: Test for a register
alias called "zero".
* testsuite/gas/aarch64/register_aliases_invalid.d,
testsuite/gas/aarch64/register_aliases_invalid.l,
testsuite/gas/aarch64/register_aliases_invalid.s: New test.
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According the rvv spec,
https://github.com/riscv/riscv-v-spec/blob/master/vtype-format.adoc
The bits of vtype immediate from 8 to (xlen - 1) should be reserved.
Therefore, we should also dump the vtype immediate as numbers, when
they are set over 8-bits. I think this is a bug that we used to support
vediv extension and use the bit 8 and 9 of vtype, but forgot to update
the behavior when removing the vediv.
Consider the testcases,
vsetvli a0, a1, 0x700 # the reserved bit 10, 9 and 8 are used.
vsetvli a0, a1, 0x400 # the reserved bit 10 is used.
vsetvli a0, a1, 0x300 # the reserved bit 9 and 8 are used.
vsetvli a0, a1, 0x100 # the reserved bit 8 is used.
vsetivli a0, 0xb, 0x300 # the reserved bit 9 and 8 are used.
vsetivli a0, 0xb, 0x100 # the reserved bit 8 is used.
The original objdump shows the following result,
0000000000000000 <.text>:
0: 7005f557 vsetvli a0,a1,1792
4: 4005f557 vsetvli a0,a1,1024
8: 3005f557 vsetvli a0,a1,e8,m1,tu,mu
c: 1005f557 vsetvli a0,a1,e8,m1,tu,mu
10: f005f557 vsetivli a0,11,e8,m1,tu,mu
14: d005f557 vsetivli a0,11,e8,m1,tu,mu
But in fact the correct result should be,
0000000000000000 <.text>:
0: 7005f557 vsetvli a0,a1,1792
4: 4005f557 vsetvli a0,a1,1024
8: 3005f557 vsetvli a0,a1,768
c: 1005f557 vsetvli a0,a1,256
10: f005f557 vsetivli a0,11,768
14: d005f557 vsetivli a0,11,256
gas/
* testsuite/gas/riscv/vector-insns.d: Added testcases to
test the reserved bit 8 to (xlen-1) of vtype.
* testsuite/gas/riscv/vector-insns.s: Likewise.
include/
* opcode/riscv.h: Removed OP_MASK_VTYPE_RES and OP_SH_VTYPE_RES,
since they are different for operand Vc and Vb.
opcodes/
* riscv-dis.c (print_insn_args): Updated imm_vtype_res to
extract the reserved immediate of vtype correctly.
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Consider the following case,
vsetvli a0, a1, 0x4 # unrecognized vlmul
vsetvli a0, a1, 0x20 # unrecognized vsew
vsetivli a0, 0xb, 0x4 # unrecognized vlmul
vsetivli a0, 0xb, 0x20 # unrecognized vsew
For the current dis-assembler, we get the result,
0000000000000000 <.text>:
0: 0045f557 vsetvli a0,a1,e8,(null),tu,mu
4: 0205f557 vsetvli a0,a1,e128,m1,tu,mu
8: c045f557 vsetivli a0,11,e8,(null),tu,mu
c: c205f557 vsetivli a0,11,e128,m1,tu,mu
The vsew e128 and vlmul (null) are preserved according to the spec,
so dump these fields looks wrong. Consider that we are used to dump
the unrecognized csr as csr numbers directly, we should also dump
the whole vset[i]vli immediates as numbers, once the vsew or vlmul
is reserved. Therefore, following is what I expected,
0000000000000000 <.text>:
0: 0045f557 vsetvli a0,a1,4
4: 0205f557 vsetvli a0,a1,32
8: c045f557 vsetivli a0,11,4
c: c205f557 vsetivli a0,11,32
gas/
* testsuite/gas/riscv/vector-insns.d: Rewrite the vset[i]vli
testcases since we should dump the immediate as numbers once
the vsew or vlmul is reserved.
* testsuite/gas/riscv/vector-insns.s: Likewise.
opcodes/
* riscv-dis.c (print_insn_args): The reserved vsew and vlmul
are NULL string in the riscv_vsew and riscv_vlmul, so dump the
whole imm as numbers once one of them is NULL.
* riscv-opc.c (riscv_vsew): Set the reserved vsew to NULL.
(riscv_vlmul): Set the reserved vlmul to NULL.
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The test exactly matched wrong output.
PR 28629
* testsuite/gas/nios2/relax.d: Update expected output.
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Update
commit 4780e5e4933a2497a5aecc4ceabbbb8e82aaf822
Author: Tom de Vries <tdevries@suse.de>
Date: Fri Nov 26 09:59:45 2021 +0100
[gas] Fix file 0 dir with -gdwarf-5
1. Replace i with j in
for (j = 0; i < NUM_MD5_BYTES; ++j)
2. Pass -W to readelf to force CU: in output due to:
if (do_wide || strlen (directory) < 76)
printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
else
printf ("%s:\n", file_table[0].name);
PR gas/28629
* dwarf2dbg.c (out_dir_and_file_list): Fix a typo in commit
4780e5e4933.
* testsuite/gas/elf/dwarf-5-nop-for-line-table.d: Pass -W to
readelf.
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In out_dir_and_file_list, if file 0 is copied from file 1, only the filename
is copied, and the dir and md5 fields are left to their default values.
Fix this by adding the copy of the dir and md5 fields.
gas/ChangeLog:
2021-11-26 Tom de Vries <tdevries@suse.de>
PR 28629
* dwarf2dbg.c (out_dir_and_file_list): When copying file 1 to file 0,
also copy dir and md5 fields.
* testsuite/gas/i386/dwarf5-line-4.d: Adjust expected output.
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https://sourceware.org/bugzilla/ everywhere
bfd/
* configure.ac (ACX_BUGURL): Set to https://sourceware.org/bugzilla/
* po/Make-in (msgid-bugs-address): Likewise.
* README: Report bugs to the above.
* configure: Regenerate.
binutils/
* po/Make-in (msgid-bugs-address): Update.
gas/
* README: Update bug address. Delete mention of gcc.
* po/Make-in: Update bug address.
gold/
* po/Make-in: Update bug address.
gprof/
* po/Make-in: Update bug address.
ld/
* po/Make-in: Update bug address.
opcodes/
* po/Make-in: Update bug address.
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Since the .option rvc/norvc directives are obsolete, replace them with
the new proposed diretives: .option arch, +c/-c. And also reset the
riscv_opts.rvc flag for the .option arch directives.
gas/
* config/tc-riscv.c (s_riscv_option): Reset the riscv_opts.rvc
for the .option arch directives.
* testsuite/gas/riscv/align-1.s: Replace the obsolete .option
rvc/norvc with .option arch, +c/-c.
* testsuite/gas/riscv/c-add-addi.s: Likewise.
* testsuite/gas/riscv/c-nonzero-imm.s: Likewise.
* testsuite/gas/riscv/c-nonzero-reg.s: Likewise.
* testsuite/gas/riscv/c-zero-imm-64.s: Likewise.
* testsuite/gas/riscv/c-zero-imm.s: Likewise.
* testsuite/gas/riscv/c-zero-reg.s: Likewise.
* testsuite/gas/riscv/ext.s: Likewise.
* testsuite/gas/riscv/mapping-01.s: Likewise.
* testsuite/gas/riscv/mapping-02.s: Likewise.
* testsuite/gas/riscv/mapping-03.s: Likewise.
* testsuite/gas/riscv/mapping-04.s: Likewise.
* testsuite/gas/riscv/no-relax-align-2.s: Likewise.
* testsuite/gas/riscv/shamt-32.s: Likewise.
* testsuite/gas/riscv/shamt-64.s: Likewise.
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https://github.com/riscv/riscv-asm-manual/pull/67
Format:
.option arch, +<extension><version>, ...
.option arch, -<extension>
.option arch, =<ISA string>
The new direcitve is used to enable/disable extensions for the specific
code region. For example,
.attribute arch, "rv64ic" # arch = rv64i2p0_c2p0
.option push
.option arch, +d2p0, -c # arch = rv64i2p0_f2p0_d2p0, f is added implied
.option arch, =rv32gc # arch = rv32i2p0_m2p0_a2p0_f2p0_d2p0_c2p0
.option pop # arch = rv64i2p0_c2p0
Note that,
1. ".option rvc/norvc" have the same behavior as ".option arch +c/-c".
2. ".option arch -i" is illegal, since we cannot remove base i extension.
3. If arch=rv64i2p0, then ".option arch, +i3p0" will update the i's version
from 2.0 to 3.0.
4. If arch=rv64i3p0, then ".option arch, +i" will update the i's version
from 2.0 to the default one according to the chosen isa spec.
bfd/
* elfxx-riscv.c (riscv_add_subset): If the subset is already added,
and the new versions are not RISCV_UNKNOWN_VERSION, then update the
versions to the subset list.
(riscv_copy_subset): New function. Copy the subset from list.
(riscv_copy_subset_list): New function. Return the new copyed list.
(riscv_update_subset): Updated to make .option arch directives workable.
* elfxx-riscv.h: Updated.
gas/
* config/tc-riscv.c (riscv_subsets): Defined as a pointer.
(riscv_rps_as): Init the subset_list to NULL, we will set it later
once riscv_opts_stack is created or updated.
(struct riscv_option_stack, riscv_opts_stack): Moved forward.
(riscv_set_arch): Updated.
(s_riscv_option): Support new .option arch directive, to add, remove
or update subsets for the specific code region.
(riscv_write_out_attrs): Updated.
* doc/c-riscv.texi: Added document for new .option arch directive.
* testsuite/gas/riscv/option-arch-01a.d: New testcase.
* testsuite/gas/riscv/option-arch-01b.d: Likewise.
* testsuite/gas/riscv/option-arch-01.s: Likewise..
* testsuite/gas/riscv/option-arch-02.d: Likewise.
* testsuite/gas/riscv/option-arch-02.s: Likewise.
* testsuite/gas/riscv/option-arch-fail.d: Likewise.
* testsuite/gas/riscv/option-arch-fail.l: Likewise.
* testsuite/gas/riscv/option-arch-fail.s: Likewise.
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On hppa*-hp-hpux* run_dump_test edits the test file, adjusting .comm
directives to suit those target's unusual syntax. Thus gas is passed
a temporary file name.
* testsuite/gas/all/multibyte1.l: Ignore file name.
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This is the original discussion,
https://github.com/riscv/riscv-elf-psabi-doc/pull/190
And here is the glibc part,
https://sourceware.org/pipermail/libc-alpha/2021-August/129931.html
For binutils part, we need to support a new direcitve: .variant_cc.
The function symbol marked by .variant_cc means it need to be resolved
directly without resolver for dynamic linker. We also add a new dynamic
entry, STO_RISCV_VARIANT_CC, to indicate there are symbols with the
special attribute in the dynamic symbol table of the object.
I heard that llvm already have supported this in their mainline, so
I think it's time to commit this.
bfd/
* elfnn-riscv.c (riscv_elf_link_hash_table): Added variant_cc
flag. It is used to check if relocations for variant CC symbols
may be present.
(allocate_dynrelocs): If the symbol has STO_RISCV_VARIANT_CC
flag, then raise the variant_cc flag of riscv_elf_link_hash_table.
(riscv_elf_size_dynamic_sections): Added dynamic entry for
variant_cc.
(riscv_elf_merge_symbol_attribute): New function, used to merge
non-visibility st_other attributes, including STO_RISCV_VARIANT_CC.
binutils/
* readelf.c (get_riscv_dynamic_type): New function.
(get_dynamic_type): Called get_riscv_dynamic_type for riscv targets.
(get_riscv_symbol_other): New function.
(get_symbol_other): Called get_riscv_symbol_other for riscv targets.
gas/
* config/tc-riscv.c (s_variant_cc): Marked symbol that it follows a
variant CC convention.
(riscv_elf_copy_symbol_attributes): Same as elf_copy_symbol_attributes,
but without copying st_other. If a function symbol has special st_other
value set via directives, then attaching an IFUNC resolver to that symbol
should not override the st_other setting.
(riscv_pseudo_table): Support variant_cc diretive.
* config/tc-riscv.h (OBJ_COPY_SYMBOL_ATTRIBUTES): Defined.
* testsuite/gas/riscv/variant_cc-set.d: New testcase.
* testsuite/gas/riscv/variant_cc-set.s: Likewise.
* testsuite/gas/riscv/variant_cc.d: Likewise.
* testsuite/gas/riscv/variant_cc.s: Likewise.
include/
* elf/riscv.h (DT_RISCV_VARIANT_CC): Defined to (DT_LOPROC + 1).
(STO_RISCV_VARIANT_CC): Defined to 0x80.
ld/
* testsuite/ld-riscv-elf/variant_cc-1.s: New testcase.
* testsuite/ld-riscv-elf/variant_cc-2.s: Likewise.
* testsuite/ld-riscv-elf/variant_cc-now.d: Likewise.
* testsuite/ld-riscv-elf/variant_cc-r.d: Likewise.
* testsuite/ld-riscv-elf/variant_cc-shared.d: Likewise.
* testsuite/ld-riscv-elf/ld-riscv-elf.exp: Updated.
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* as.c (parse_args): Add support for --multibyte-handling.
* as.h (multibyte_handling): Declare.
* app.c (scan_for_multibyte_characters): New function.
(do_scrub_chars): Call the new function if multibyte warning is
enabled.
* input-scrub,c (input_scrub_next_buffer): Call the multibyte
scanning function if multibyte warnings are enabled.
* symbols.c (struct symbol_flags): Add multibyte_warned bit.
(symbol_init): Call the multibyte scanning function if multibyte
symbol warnings are enabled.
(S_SET_SEGMENT): Likewise.
* NEWS: Mention the new feature.
* doc/as.texi: Document the new feature.
* testsuite/gas/all/multibyte.s: New test source file.
* testsuite/gas/all/multibyte1.d: New test driver file.
* testsuite/gas/all/multibyte1.l: New test expected output.
* testsuite/gas/all/multibyte2.d: New test driver file.
* testsuite/gas/all/multibyte2.l: New test expected output.
* testsuite/gas/all/gas.exp: Run the new tests.
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Use gpr when the zfinx enable, the testcases contain float
instructions that reuse by z[fdq]inx.
gas/ChangeLog:
* testsuite/gas/riscv/zdinx.d: New test.
* testsuite/gas/riscv/zdinx.s: New test.
* testsuite/gas/riscv/zfinx.d: New test.
* testsuite/gas/riscv/zfinx.s: New test.
* testsuite/gas/riscv/zqinx.d: New test.
* testsuite/gas/riscv/zqinx.s: New test.
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
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Reuse float instructions in INSN_CLASS_F/D/Q, use riscv_subset_supports to
verify if z*inx enabled and use gpr instead of fpr when z*inx is enable.
bfd/ChangeLog:
* elfxx-riscv.c (riscv_multi_subset_supports): Added support for
z*inx extension.
gas/ChangeLog:
* config/tc-riscv.c (riscv_ip): Added register choice for z*inx.
include/ChangeLog:
* opcode/riscv.h (enum riscv_insn_class): Reused INSN_CLASS_* for z*inx.
opcodes/ChangeLog:
* riscv-dis.c (riscv_disassemble_insn): Added disassemble check for
z*inx.
* riscv-opc.c: Reused INSN_CLASS_* for z*inx.
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
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This patch is adding new SVE2 instructions added to support SME extension.
The following SVE2 instructions are added by the SME architecture:
* PSEL,
* REVD, SCLAMP and UCLAMP.
gas/ChangeLog:
* config/tc-aarch64.c (parse_sme_pred_reg_with_index):
New parser.
(parse_operands): New parser.
* testsuite/gas/aarch64/sme-9-illegal.d: New test.
* testsuite/gas/aarch64/sme-9-illegal.l: New test.
* testsuite/gas/aarch64/sme-9-illegal.s: New test.
* testsuite/gas/aarch64/sme-9.d: New test.
* testsuite/gas/aarch64/sme-9.s: New test.
include/ChangeLog:
* opcode/aarch64.h (enum aarch64_opnd): New operand
AARCH64_OPND_SME_PnT_Wm_imm.
opcodes/ChangeLog:
* aarch64-asm.c (aarch64_ins_sme_pred_reg_with_index):
New inserter.
* aarch64-dis.c (aarch64_ext_sme_pred_reg_with_index):
New extractor.
* aarch64-opc.c (aarch64_print_operand): Printout of
OPND_SME_PnT_Wm_imm.
* aarch64-opc.h (enum aarch64_field_kind): New bitfields
FLD_SME_Rm, FLD_SME_i1, FLD_SME_tszh, FLD_SME_tszl.
* aarch64-tbl.h (OP_SVE_NN_BHSD): New qualifier.
(OP_SVE_QMQ): New qualifier.
(struct aarch64_opcode): New instructions PSEL, REVD,
SCLAMP and UCLAMP.
aarch64-asm-2.c: Regenerate.
aarch64-dis-2.c: Regenerate.
aarch64-opc-2.c: Regenerate.
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This patch is adding miscellaneous SME related system registers.
gas/ChangeLog:
* testsuite/gas/aarch64/sme-sysreg.d: New test.
* testsuite/gas/aarch64/sme-sysreg.s: New test.
* testsuite/gas/aarch64/sme-sysreg-illegal.d: New test.
* testsuite/gas/aarch64/sme-sysreg-illegal.l: New test.
* testsuite/gas/aarch64/sme-sysreg-illegal.s: New test.
opcodes/ChangeLog:
* aarch64-opc.c: New system registers id_aa64smfr0_el1,
smcr_el1, smcr_el12, smcr_el2, smcr_el3, smpri_el1,
smprimap_el2, smidr_el1, tpidr2_el0 and mpamsm_el1.
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This patch is adding new SME mode selection and state access instructions:
* Add SMSTART and SMSTOP instructions.
* Add SVCR system register.
gas/ChangeLog:
* config/tc-aarch64.c (parse_sme_sm_za): New parser.
(parse_operands): New parser.
* testsuite/gas/aarch64/sme-8-illegal.d: New test.
* testsuite/gas/aarch64/sme-8-illegal.l: New test.
* testsuite/gas/aarch64/sme-8-illegal.s: New test.
* testsuite/gas/aarch64/sme-8.d: New test.
* testsuite/gas/aarch64/sme-8.s: New test.
include/ChangeLog:
* opcode/aarch64.h (enum aarch64_opnd): New operand
AARCH64_OPND_SME_SM_ZA.
(enum aarch64_insn_class): New instruction classes
sme_start and sme_stop.
opcodes/ChangeLog:
* aarch64-asm.c (aarch64_ins_pstatefield): New inserter.
(aarch64_ins_sme_sm_za): New inserter.
* aarch64-dis.c (aarch64_ext_imm): New extractor.
(aarch64_ext_pstatefield): New extractor.
(aarch64_ext_sme_sm_za): New extractor.
* aarch64-opc.c (operand_general_constraint_met_p):
New pstatefield value for SME instructions.
(aarch64_print_operand): Printout for OPND_SME_SM_ZA.
(SR_SME): New register SVCR.
* aarch64-opc.h (F_REG_IN_CRM): New register endcoding.
* aarch64-opc.h (F_IMM_IN_CRM): New immediate endcoding.
(PSTATE_ENCODE_CRM): Encode CRm field.
(PSTATE_DECODE_CRM): Decode CRm field.
(PSTATE_ENCODE_CRM_IMM): Encode CRm immediate field.
(PSTATE_DECODE_CRM_IMM): Decode CRm immediate field.
(PSTATE_ENCODE_CRM_AND_IMM): Encode CRm and immediate
field.
* aarch64-tbl.h (struct aarch64_opcode): New SMSTART
and SMSTOP instructions.
aarch64-asm-2.c: Regenerate.
aarch64-dis-2.c: Regenerate.
aarch64-opc-2.c: Regenerate.
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This patch is adding new loads and stores defined by SME instructions.
gas/ChangeLog:
* config/tc-aarch64.c (parse_sme_address): New parser.
(parse_sme_za_hv_tiles_operand_with_braces): New parser.
(parse_sme_za_array): New parser.
(output_operand_error_record): Print error details if
present.
(parse_operands): Support new operands.
* testsuite/gas/aarch64/sme-5-illegal.d: New test.
* testsuite/gas/aarch64/sme-5-illegal.l: New test.
* testsuite/gas/aarch64/sme-5-illegal.s: New test.
* testsuite/gas/aarch64/sme-5.d: New test.
* testsuite/gas/aarch64/sme-5.s: New test.
* testsuite/gas/aarch64/sme-6-illegal.d: New test.
* testsuite/gas/aarch64/sme-6-illegal.l: New test.
* testsuite/gas/aarch64/sme-6-illegal.s: New test.
* testsuite/gas/aarch64/sme-6.d: New test.
* testsuite/gas/aarch64/sme-6.s: New test.
* testsuite/gas/aarch64/sme-7-illegal.d: New test.
* testsuite/gas/aarch64/sme-7-illegal.l: New test.
* testsuite/gas/aarch64/sme-7-illegal.s: New test.
* testsuite/gas/aarch64/sme-7.d: New test.
* testsuite/gas/aarch64/sme-7.s: New test.
include/ChangeLog:
* opcode/aarch64.h (enum aarch64_opnd): New operands.
(enum aarch64_insn_class): Added sme_ldr and sme_str.
(AARCH64_OPDE_UNTIED_IMMS): New operand error kind.
opcodes/ChangeLog:
* aarch64-asm.c (aarch64_ins_sme_za_hv_tiles): New inserter.
(aarch64_ins_sme_za_list): New inserter.
(aarch64_ins_sme_za_array): New inserter.
(aarch64_ins_sme_addr_ri_u4xvl): New inserter.
* aarch64-asm.h (AARCH64_DECL_OPD_INSERTER): Added
ins_sme_za_list, ins_sme_za_array and ins_sme_addr_ri_u4xvl.
* aarch64-dis.c (aarch64_ext_sme_za_hv_tiles): New extractor.
(aarch64_ext_sme_za_list): New extractor.
(aarch64_ext_sme_za_array): New extractor.
(aarch64_ext_sme_addr_ri_u4xvl): New extractor.
* aarch64-dis.h (AARCH64_DECL_OPD_EXTRACTOR): Added
ext_sme_za_list, ext_sme_za_array and ext_sme_addr_ri_u4xvl.
* aarch64-opc.c (operand_general_constraint_met_p):
(aarch64_match_operands_constraint): Handle sme_ldr, sme_str
and sme_misc.
(aarch64_print_operand): New operands supported.
* aarch64-tbl.h (OP_SVE_QUU): New qualifier.
(OP_SVE_QZU): New qualifier.
aarch64-asm-2.c: Regenerate.
aarch64-dis-2.c: Regenerate.
aarch64-opc-2.c: Regenerate.
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This patch is adding ZERO (a list of 64-bit element ZA tiles)
instruction.
gas/ChangeLog:
* config/tc-aarch64.c (parse_sme_list_of_64bit_tiles):
New parser.
(parse_operands): Handle OPND_SME_list_of_64bit_tiles.
* testsuite/gas/aarch64/sme-4-illegal.d: New test.
* testsuite/gas/aarch64/sme-4-illegal.l: New test.
* testsuite/gas/aarch64/sme-4-illegal.s: New test.
* testsuite/gas/aarch64/sme-4.d: New test.
* testsuite/gas/aarch64/sme-4.s: New test.
include/ChangeLog:
* opcode/aarch64.h (enum aarch64_opnd): New operand
AARCH64_OPND_SME_list_of_64bit_tiles.
opcodes/ChangeLog:
* aarch64-opc.c (print_sme_za_list): New printing function.
(aarch64_print_operand): Handle OPND_SME_list_of_64bit_tiles.
* aarch64-opc.h (enum aarch64_field_kind): New bitfield
FLD_SME_zero_mask.
* aarch64-tbl.h (struct aarch64_opcode): New ZERO instruction.
aarch64-asm-2.c: Regenerate.
aarch64-dis-2.c: Regenerate.
aarch64-opc-2.c: Regenerate.
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This patch is adding new MOV (alias) and MOVA SME instruction.
gas/ChangeLog:
* config/tc-aarch64.c (enum sme_hv_slice): new enum.
(struct reloc_entry): Added ZAH and ZAV registers.
(parse_sme_immediate): Immediate parser.
(parse_sme_za_hv_tiles_operand): ZA tile parser.
(parse_sme_za_hv_tiles_operand_index): Index parser.
(parse_operands): Added ZA tile parser calls.
(REGNUMS): New macro. Regs with suffix.
(REGSET16S): New macro. 16 regs with suffix.
* testsuite/gas/aarch64/sme-2-illegal.d: New test.
* testsuite/gas/aarch64/sme-2-illegal.l: New test.
* testsuite/gas/aarch64/sme-2-illegal.s: New test.
* testsuite/gas/aarch64/sme-2.d: New test.
* testsuite/gas/aarch64/sme-2.s: New test.
* testsuite/gas/aarch64/sme-2a.d: New test.
* testsuite/gas/aarch64/sme-2a.s: New test.
* testsuite/gas/aarch64/sme-3-illegal.d: New test.
* testsuite/gas/aarch64/sme-3-illegal.l: New test.
* testsuite/gas/aarch64/sme-3-illegal.s: New test.
* testsuite/gas/aarch64/sme-3.d: New test.
* testsuite/gas/aarch64/sme-3.s: New test.
* testsuite/gas/aarch64/sme-3a.d: New test.
* testsuite/gas/aarch64/sme-3a.s: New test.
include/ChangeLog:
* opcode/aarch64.h (enum aarch64_opnd): New enums
AARCH64_OPND_SME_ZA_HV_idx_src and
AARCH64_OPND_SME_ZA_HV_idx_dest.
(struct aarch64_opnd_info): New ZA tile vector struct.
opcodes/ChangeLog:
* aarch64-asm.c (aarch64_ins_sme_za_hv_tiles):
New inserter.
* aarch64-asm.h (AARCH64_DECL_OPD_INSERTER):
New inserter ins_sme_za_hv_tiles.
* aarch64-dis.c (aarch64_ext_sme_za_hv_tiles):
New extractor.
* aarch64-dis.h (AARCH64_DECL_OPD_EXTRACTOR):
New extractor ext_sme_za_hv_tiles.
* aarch64-opc.c (aarch64_print_operand):
Handle SME_ZA_HV_idx_src and SME_ZA_HV_idx_dest.
* aarch64-opc.h (enum aarch64_field_kind): New enums
FLD_SME_size_10, FLD_SME_Q, FLD_SME_V and FLD_SME_Rv.
(struct aarch64_operand): Increase fields size to 5.
* aarch64-tbl.h (OP_SME_BHSDQ_PM_BHSDQ): New qualifiers
aarch64-asm-2.c: Regenerate.
aarch64-dis-2.c: Regenerate.
aarch64-opc-2.c: Regenerate.
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Patch is adding new SME matrix instructions. Please note additional
instructions will be added in following patches.
gas/ChangeLog:
* config/tc-aarch64.c (parse_sme_zada_operand):
New parser.
* config/tc-aarch64.c (parse_reg_with_qual):
New reg parser.
* config/tc-aarch64.c (R_ZA): New egister type.
(parse_operands): New parser.
* testsuite/gas/aarch64/sme-illegal.d: New test.
* testsuite/gas/aarch64/sme-illegal.l: New test.
* testsuite/gas/aarch64/sme-illegal.s: New test.
* testsuite/gas/aarch64/sme.d: New test.
* testsuite/gas/aarch64/sme.s: New test.
* testsuite/gas/aarch64/sme-f64.d: New test.
* testsuite/gas/aarch64/sme-f64.s: New test.
* testsuite/gas/aarch64/sme-i64.d: New test.
* testsuite/gas/aarch64/sme-i64.s: New test.
include/ChangeLog:
* opcode/aarch64.h (enum aarch64_opnd): New operands
AARCH64_OPND_SME_ZAda_2b, AARCH64_OPND_SME_ZAda_3b and
AARCH64_OPND_SME_Pm.
(enum aarch64_insn_class): New instruction class sme_misc.
opcodes/ChangeLog:
* aarch64-opc.c (aarch64_print_operand):
Print OPND_SME_ZAda_2b and OPND_SME_ZAda_3b operands.
(verify_constraints): Handle OPND_SME_Pm.
* aarch64-opc.h (enum aarch64_field_kind):
New bit fields FLD_SME_ZAda_2b, FLD_SME_ZAda_3b and FLD_SME_Pm.
* aarch64-tbl.h (OP_SME_ZADA_PN_PM_ZN_S): New qualifier set.
(OP_SME_ZADA_PN_PM_ZN_D): New qualifier.
(OP_SME_ZADA_PN_PM_ZN_ZM): New qualifier.
(OP_SME_ZADA_S_PM_PM_S_S): New qualifier.
(OP_SME_ZADA_D_PM_PM_D_D): New qualifier.
(OP_SME_ZADA_S_PM_PM_H_H): New qualifier.
(OP_SME_ZADA_S_PM_PM_B_B): New qualifier.
(OP_SME_ZADA_D_PM_PM_H_H): New qualifier.
(SME_INSN): New instruction macro.
(SME_F64_INSN): New instruction macro.
(SME_I64_INSN): New instruction macro.
(SME_INSNC): New instruction macro.
(struct aarch64_opcode): New SME instructions.
aarch64-asm-2.c: Regenerate.
aarch64-dis-2.c: Regenerate.
aarch64-opc-2.c: Regenerate.
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This series of patches (tagged [SME]) add support for the Scalable
Matrix Extension. Patch introduces new command line options: +sme, +sme-f64 and
+sme-i64 to -march command line options.
gas/ChangeLog:
* NEWS: Updated docs.
* config/tc-aarch64.c: New SME command line options.
* doc/c-aarch64.texi: Update docs.
include/ChangeLog:
* opcode/aarch64.h (AARCH64_FEATURE_SME): New flag.
(AARCH64_FEATURE_SME_F64): New flag.
(AARCH64_FEATURE_SME_I64): New flag.
opcodes/ChangeLog:
* aarch64-tbl.h (SME): New feature object.
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2021-11-17 Jim Wilson <jimw@sifive.com>
Kito Cheng <kito.cheng@sifive.com>
Nelson Chu <nelson.chu@sifive.com>
This patch is porting from the following riscv github,
https://github.com/riscv/riscv-binutils-gdb/tree/rvv-1.0.x
And here is the vector spec,
https://github.com/riscv/riscv-v-spec
bfd/
* elfxx-riscv.c (riscv_implicit_subsets): Added imply rules
of v, zve and zvl extensions.
(riscv_supported_std_ext): Updated verison of v to 1.0.
(riscv_supported_std_z_ext): Added zve and zvl extensions.
(riscv_parse_check_conflicts): The zvl extensions need to
enable either v or zve extension.
(riscv_multi_subset_supports): Check the subset list to know
if the INSN_CLASS_V and INSN_CLASS_ZVEF instructions are supported.
gas/
* config/tc-riscv.c (enum riscv_csr_class): Added CSR_CLASS_V.
(enum reg_class): Added RCLASS_VECR and RCLASS_VECM.
(validate_riscv_insn): Check whether the rvv operands are valid.
(md_begin): Initialize register hash for rvv registers.
(macro_build): Added rvv operands when expanding rvv pseudoes.
(vector_macro): Expand rvv macros into one or more instructions.
(macro): Likewise.
(my_getVsetvliExpression): Similar to my_getVsetvliExpression,
but used for parsing vsetvli operands.
(riscv_ip): Parse and encode rvv operands. Besides, The rvv loads
and stores with EEW 64 cannot be used when zve32x is enabled.
* testsuite/gas/riscv/priv-reg-fail-version-1p10.d: Updated -march
to rv32ifv_zkr.
* testsuite/gas/riscv/priv-reg-fail-version-1p11.d: Likewise.
* testsuite/gas/riscv/priv-reg-fail-version-1p9p1.d: Likewise.
* testsuite/gas/riscv/priv-reg.s: Added rvv csr testcases.
* testsuite/gas/riscv/priv-reg-version-1p10.d: Likewise.
* testsuite/gas/riscv/priv-reg-version-1p11.d: Likewise.
* testsuite/gas/riscv/priv-reg-version-1p9p1.d: Likewise.
* testsuite/gas/riscv/march-imply-v.d: New testcase.
* testsuite/gas/riscv/vector-insns-fail-zve32xf.d: Likewise.
* testsuite/gas/riscv/vector-insns-fail-zve32xf.l: Likewise.
* testsuite/gas/riscv/vector-insns-fail-zvl.d: Likewise.
* testsuite/gas/riscv/vector-insns-fail-zvl.l: Likewise.
* testsuite/gas/riscv/vector-insns-vmsgtvx.d: Likewise.
* testsuite/gas/riscv/vector-insns-vmsgtvx.s: Likewise.
* testsuite/gas/riscv/vector-insns-zero-imm.d: Likewise.
* testsuite/gas/riscv/vector-insns-zero-imm.s: Likewise.
* testsuite/gas/riscv/vector-insns.d: Likewise.
* testsuite/gas/riscv/vector-insns.s: Likewise.
include/
* opcode/riscv-opc.h: Defined mask/match encodings and csrs for rvv.
* opcode/riscv.h: Defined rvv immediate encodings and fields.
(enum riscv_insn_class): Added INSN_CLASS_V and INSN_CLASS_ZVEF.
(INSN_V_EEW64): Defined.
(M_VMSGE, M_VMSGEU): Added for the rvv pseudoes.
opcodes/
* riscv-dis.c (print_insn_args): Dump the rvv operands.
* riscv-opc.c (riscv_vecr_names_numeric): Defined rvv registers.
(riscv_vecm_names_numeric): Likewise.
(riscv_vsew): Likewise.
(riscv_vlmul): Likewise.
(riscv_vta): Likewise.
(riscv_vma): Likewise.
(match_vs1_eq_vs2): Added for rvv Vu operand.
(match_vd_eq_vs1_eq_vs2): Added for rvv Vv operand.
(riscv_opcodes): Added rvv v1.0 instructions.
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Don't allow KMOV in TLS code sequences which require integer MOV
instructions.
PR target/28595
* config/tc-i386.c (match_template): Don't allow KMOV in TLS
code sequences.
* testsuite/gas/i386/i386.exp: Run inval-tls and x86-64-inval-tls
tests.
* testsuite/gas/i386/inval-tls.l: New file.
* testsuite/gas/i386/inval-tls.s: Likewise.
* testsuite/gas/i386/x86-64-inval-tls.l: Likewise.
* testsuite/gas/i386/x86-64-inval-tls.s: Likewise.
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Add testcases for Scalar Crypto extension, with total testcase contain all
instructions in k-ext/k-ext-64 and sub-extension testcase for zbk* zk*. Also
add testcase for new CSR name 'seed' which is the Entropy Source in zkr.
In fact these whole testcases can be combined into one file, after we have
supported the .option arch +-= directives.
gas/
* testsuite/gas/riscv/k-ext-64.d: New testcase for crypto instructions.
* testsuite/gas/riscv/k-ext-64.s: Likewise.
* testsuite/gas/riscv/k-ext.d: Likewise.
* testsuite/gas/riscv/k-ext.s: Likewise.
* testsuite/gas/riscv/zbkb-32.d: Likewise.
* testsuite/gas/riscv/zbkb-32.s: Likewise.
* testsuite/gas/riscv/zbkb-64.d: Likewise.
* testsuite/gas/riscv/zbkb-64.s: Likewise.
* testsuite/gas/riscv/zbkc-32.d: Likewise.
* testsuite/gas/riscv/zbkc-64.d: Likewise.
* testsuite/gas/riscv/zbkc.s: Likewise.
* testsuite/gas/riscv/zbkx-32.d: Likewise.
* testsuite/gas/riscv/zbkx-64.d: Likewise.
* testsuite/gas/riscv/zbkx.s: Likewise.
* testsuite/gas/riscv/zknd-32.d: Likewise.
* testsuite/gas/riscv/zknd-32.s: Likewise.
* testsuite/gas/riscv/zknd-64.d: Likewise.
* testsuite/gas/riscv/zknd-64.s: Likewise.
* testsuite/gas/riscv/zkne-32.d: Likewise.
* testsuite/gas/riscv/zkne-32.s: Likewise.
* testsuite/gas/riscv/zkne-64.d: Likewise.
* testsuite/gas/riscv/zkne-64.s: Likewise.
* testsuite/gas/riscv/zknh-32.d: Likewise.
* testsuite/gas/riscv/zknh-32.s: Likewise.
* testsuite/gas/riscv/zknh-64.d: Likewise.
* testsuite/gas/riscv/zknh-64.s: Likewise.
* testsuite/gas/riscv/zksed-32.d: Likewise.
* testsuite/gas/riscv/zksed-64.d: Likewise.
* testsuite/gas/riscv/zksed.s: Likewise.
* testsuite/gas/riscv/zksh-32.d: Likewise.
* testsuite/gas/riscv/zksh-64.d: Likewise.
* testsuite/gas/riscv/zksh.s: Likewise.
* testsuite/gas/riscv/priv-reg-fail-zkr.d: New testcase for zkr
csr check.
* testsuite/gas/riscv/priv-reg-fail-zkr.l: Likewise.
* testsuite/gas/riscv/priv-reg-fail-version-1p10.d: Updated march to
rv32if_zkr.
* testsuite/gas/riscv/priv-reg-fail-version-1p11.d: Likewise.
* testsuite/gas/riscv/priv-reg-fail-version-1p9p1.d: Likewise.
* testsuite/gas/riscv/priv-reg-version-1p10.d: Added Crypto seed csr.
* testsuite/gas/riscv/priv-reg-version-1p11.d: Likewise.
* testsuite/gas/riscv/priv-reg-version-1p9p1.d: Likewise.
* testsuite/gas/riscv/priv-reg.s: Likewise.
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Add instructions in k-ext, some instruction in zbkb, zbkc is reuse from
zbb,zbc, we just change the class attribute to make them both support.
The 'aes64ks1i' and 'aes64ks2' instructions are present in both the Zknd
and Zkne extensions on rv64. Add new operand letter 'y' to present 'bs'
symbol and 'Y' to present 'rnum' symbolc for zkn instructions. Also add
a new Entropy Source CSR define 'seed' located at address 0x015.
bfd/
* elfxx-riscv.c (riscv_multi_subset_supports): Added support for
crypto extension.
gas/
*config/tc-riscv.c (enum riscv_csr_class): Added CSR_CLASS_ZKR.
(riscv_csr_address): Checked for CSR_CLASS_ZKR.
(validate_riscv_insn): Added y and Y for bs and rnum operands.
(riscv_ip): Handle y and Y operands.
include/
* opcode/riscv-opc.h: Added encodings of crypto instructions.
Also defined new csr seed, which address is 0x15.
* opcode/riscv.h: Defined OP_* and INSN_CLASS_* for crypto.
opcodes/
* riscv-dis.c (print_insn_args): Recognized new y and Y operands.
* riscv-opc.c (riscv_opcodes): Added crypto instructions.
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Gas uses the directory part, if present, of the .file 0 directive to set
entry 0 of the directory table in DWARF 5, which represents the "current
directory".
Now Gas also uses the file part of the same directive to set entry 0 of the
file table, which represents the "current compilation file". But the latter
need not be located in the former so GCC will use a full path in the file
part when it is passed a full path:
gcc -c /full/path/test.c -save-temps
yields:
.file 0 "/current/directory" "/full/path/test.c"
in the assembly file and:
The Directory Table (offset 0x22, lines 2, columns 1):
Entry Name
0 (indirect line string, offset: 0x25): /current/directory
1 (indirect line string, offset: 0x38): /full/path
The File Name Table (offset 0x30, lines 2, columns 2):
Entry Dir Name
0 0 (indirect line string, offset: 0x43): /full/path/test.c
in the object file. Note the full path and the questionable Dir value in
the 0 entry of the file table.
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R_PPC64_REL24_P9NOTOC is a variant of R_PPC64_REL24_NOTOC for use on
@notoc cals from non-power10 code in the rare case that using such a
construct is useful. R_PPC64_REL24_P9NOTOC will be emitted by gas
rather than R_PPC64_REL24_NOTOC when @notoc is used in a branch
instruction if power10 instructions are not enabled at that point.
The new relocation tells the linker to not use power10 instructions on
any stub emitted for that branch, unless overridden by
--power10-stubs=yes.
The current linker heuristic of only generating power10 instructions
for stubs if power10-only relocations are detected, continues to be
used.
include/
* elf/ppc64.h (R_PPC64_REL24_P9NOTOC): Define.
bfd/
* reloc.c (BFD_RELOC_PPC64_REL24_P9NOTOC): Define.
* elf64-ppc.c (ppc64_elf_howto_raw): Add entry for new reloc.
(ppc64_elf_reloc_type_lookup): Handle it.
(enum ppc_stub_type): Delete.
(enum ppc_stub_main_type, ppc_stub_sub_type): New.
(struct ppc_stub_type): New.
(struct ppc_stub_hash_entry): Use the above new type.
(struct ppc_link_hash_table): Update stub_count.
(is_branch_reloc, ppc64_elf_check_relocs),
(toc_adjusting_stub_needed): Handle new reloc.
(stub_hash_newfunc, select_alt_stub, ppc_merge_stub),
(ppc_type_of_stub, plt_stub_size, build_plt_stub),
(build_tls_get_addr_head, build_tls_get_addr_tail),
(ppc_build_one_stub, ppc_size_one_stub, ppc64_elf_size_stubs),
(ppc64_elf_build_stubs, ppc64_elf_relocate_section): Handle new
reloc. Modify stub handling to suit new scheme.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
gas/
* config/tc-ppc.c (ppc_elf_suffix): When power10 is not enabled
return BFD_RELOC_PPC64_REL24_P9NOTOC for @notoc.
(fixup_size, ppc_force_relocation, ppc_fix_adjustable): Handle
BFD_RELOC_PPC64_REL24_P9NOTOC.
ld/
* testsuite/ld-powerpc/callstub-2.s: Add .machine power10.
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For now we should always generate the elf architecture attribute both for
elf and linux toolchains, so that we could dump the objects correctly
according to the generated architecture string. This patch resolves the
problem that we probably dump an object with c.nop instructions, but
in fact the c extension isn't allowed. Consider the following case,
nelson@LAPTOP-QFSGI1F2:~/test$ cat temp.s
.option norvc
.option norelax
.text
add a0, a0, a0
.byte 0x1
.balign 16
nelson@LAPTOP-QFSGI1F2:~/test$ ~/binutils-dev/build-elf32-upstream/build-install/bin/riscv32-unknown-elf-as temp.s -o temp.o
nelson@LAPTOP-QFSGI1F2:~/test$ ~/binutils-dev/build-elf32-upstream/build-install/bin/riscv32-unknown-elf-objdump -d temp.o
temp.o: file format elf32-littleriscv
Disassembly of section .text:
00000000 <.text>:
0: 00a50533 add a0,a0,a0
4: 01 .byte 0x01
5: 00 .byte 0x00
6: 0001 nop
8: 00000013 nop
c: 00000013 nop
nelson@LAPTOP-QFSGI1F2:~/test$ ~/binutils-dev/build-elf32-upstream/build-install/bin/riscv32-unknown-elf-readelf -A temp.o
Attribute Section: riscv
File Attributes
Tag_RISCV_arch: "rv32i2p0_m2p0_a2p0_f2p0_d2p0"
The c.nop at address 0x6 is generated for alignment, but since the rvc isn't
allowed for this object, dump it as a c.nop instruction looks wrong. After
applying this patch, I get the following result,
nelson@LAPTOP-QFSGI1F2:~/test$ ~/binutils-dev/build-elf32-upstream/build-install/bin/riscv32-unknown-elf-objdump -d temp.o
temp.o: file format elf32-littleriscv
Disassembly of section .text:
00000000 <.text>:
0: 00a50533 add a0,a0,a0
4: 01 .byte 0x01
5: 00 .byte 0x00
6: 0001 .2byte 0x1
8: 00000013 nop
c: 00000013 nop
For the current objdump, we dump data to .byte/.short/.word/.dword, and
dump the unknown or unsupported instructions to .2byte/.4byte/.8byte, which
respectively are 2, 4 and 8 bytes instructions. Therefore, we shouldn't
dump the 0x0001 as a c.nop instruction in the above case, we should dump
it to .2byte 0x1 as a unknown instruction, since the rvc is disabled.
However, consider that some people may use the new objdump to dump the old
objects, which don't have any elf attributes. We usually set the default
architecture string to rv64g by bfd/elfxx-riscv.c:riscv_set_default_arch.
But this will cause rvc instructions to be unrecognized. Therefore, we
set the default architecture string to rv64gc for disassembler, to keep
the previous behavior.
This patch pass the riscv-gnu-toolchain gcc/binutils regressions for
rv32emc-elf, rv32gc-linux, rv32i-elf, rv64gc-elf and rv64gc-linux
toolchains. Also, tested by --enable-targets=all and can build
riscv-gdb successfully.
bfd/
* elfnn-riscv.c (riscv_merge_arch_attr_info): Tidy the
codes for riscv_parse_subset_t setting.
* elfxx-riscv.c (riscv_get_default_ext_version): Updated.
(riscv_subset_supports): Moved from gas/config/tc-riscv.c.
(riscv_multi_subset_supports): Likewise.
* elfxx-riscv.h: Added extern for riscv_subset_supports and
riscv_multi_subset_supports.
gas/
* config/tc-riscv.c (riscv_subset_supports): Moved to
bfd/elfxx-riscv.c.
(riscv_multi_subset_supports): Likewise.
(riscv_rps_as): Defined for architectrue parser.
(riscv_set_arch): Updated.
(riscv_set_abi_by_arch): Likewise.
(riscv_csr_address): Likewise.
(reg_lookup_internal): Likewise.
(riscv_ip): Likewise.
(s_riscv_option): Updated.
* testsuite/gas/riscv/mapping-04b.d: Updated.
* testsuite/gas/riscv/mapping-norelax-03b.d: Likewise.
* testsuite/gas/riscv/mapping-norelax-04b.d: Likewise.
opcodes/
* riscv-dis.c: Include elfxx-riscv.h since we need the
architecture parser. Also removed the cpu-riscv.h, it
is already included in elfxx-riscv.h.
(default_isa_spec): Defined since the parser need this
to set the default architecture string.
(xlen): Moved out from riscv_disassemble_insn as a global
variable, it is more convenient to initialize riscv_rps_dis.
(riscv_subsets): Defined to recoed the supported
extensions.
(riscv_rps_dis): Defined for architectrue parser.
(riscv_disassemble_insn): Call riscv_multi_subset_supports
to make sure if the instructions are valid or not.
(print_insn_riscv): Initialize the riscv_subsets by parsing
the elf architectrue attribute. Otherwise, set the default
architectrue string to rv64gc.
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This patch is adding support for Cortex-A710 CPU in Arm.
bfd/
* cpu-arm.c (processors): Add cortex-a710.
gas/
* NEWS: Update docs.
* config/tc-arm.c (arm_cpus): Add cortex-a710 to -mcpu.
* doc/c-arm.texi: Update docs.
* testsuite/gas/arm/cpu-cortex-a710.d: New test.
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On XCOFF, ".file" pseudo-op allows 3 extras parameters to provide
additional information to AIX linker, or its debugger. These are
stored in auxiliary entries of the C_FILE symbol.
bfd/
PR 28447
* coffcode.h (combined_entry_type): Add extrap field.
(coff_bigobj_swap_aux_in): Adjust names of x_file fields.
(coff_bigobj_swap_aux_out): Likewise.
* coffgen.c (coff_write_auxent_fname): New function.
(coff_fix_symbol_name): Write x_file using
coff_write_auxent_fname.
(coff_write_symbol): Likewise.
(coff_write_symbols): Add C_FILE auxiliary entries to
string table if needed.
(coff_get_normalized_symtab): Adjust names of x_file fields.
Normalize C_FILE auxiliary entries.
(coff_print_symbol): Print C_FILE auxiliary entries.
* coff-rs6000.c (_bfd_xcoff_swap_aux_in): Adjust names of
x_file fields.
(_bfd_xcoff_swap_aux_out): Likewise.
* coff64-rs6000.c (_bfd_xcoff64_swap_aux_in): Likewise.
(_bfd_xcoff64_swap_aux_out): Likewise.
* cofflink.c (_bfd_coff_final_link): Likewise.
(_bfd_coff_link_input_bfd): Likewise.
* coffswap.h (coff_swap_aux_in): Likewise.
* peXXigen.c (_bfd_XXi_swap_aux_in): Likewise.
(_bfd_XXi_swap_aux_out): Likewise.
* xcofflink.c (xcoff_link_input_bfd): Likewise.
* libcoff.h: Regenerate.
gas/
* config/tc-ppc.c (ppc_file): New function.
* config/tc-ppc.h (OBJ_COFF_MAX_AUXENTRIES): Change to 4.
* testsuite/gas/ppc/aix.exp: Add tests.
* testsuite/gas/ppc/xcoff-file-32.d: New test.
* testsuite/gas/ppc/xcoff-file-64.d: New test.
* testsuite/gas/ppc/xcoff-file.s: New test.
include/
* coff/internal.h (union internal_auxent): Change x_file to be a
struct instead of a union. Add x_ftype field.
* coff/rs6000.h (union external_auxent): Add x_resv field.
* coff/xcoff.h (XFT_FN): New define.
(XFT_CT): Likewise.
(XFT_CV): Likewise.
(XFT_CD): Likewise.
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Newer versions of bison emit a prototype for yyerror
void yyerror (const char *);
This clashes with some of our old code that declares yyerror to return
an int. Fix that in most cases by modernizing yyerror. bfin-parse.y
uses the return value all over the place, so for there disable
generation of the prototype as specified by posix.
binutils/
* arparse.y (yyerror): Return void.
* dlltool.c (yyerror): Likewise.
* dlltool.h (yyerror): Likewise.
* sysinfo.y (yyerror): Likewise.
* windmc.h (yyerror): Likewise.
* mclex.c (mc_error): Extract from ..
(yyerror): ..here, both now returning void.
gas/
* config/bfin-parse.y (yyerror): Define.
(yyerror): Make static.
* itbl-parse.y (yyerror): Return void.
ld/
* deffilep.y (def_error): Return void.
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Add/Remove the rvc extension to/from the riscv_subsets once the
.option rvc/norvc is set. So that we don't need to always check
the riscv_opts.rvc in the riscv_subset_supports, just call the
riscv_lookup_subset to search the subset list is enough.
Besides, we will need to dump the instructions according to the
elf architecture attributes. That means the dis-assembler needs
to parse the architecture string from the elf attribute before
dumping any instructions, and also needs to recognized the
INSN_CLASS* classes from riscv_opcodes. Therefore, I suppose
some functions will need to be moved from gas/config/tc-riscv.c
to bfd/elfxx-riscv.c, including riscv_multi_subset_supports and
riscv_subset_supports. This is one of the reasons why we need
this patch.
This patch passes the gcc/binutils regressions of rv32emc-elf,
rv32i-elf, rv64gc-elf and rv64gc-linux toolchains.
bfd/
* elfxx-riscv.c (riscv_remove_subset): Remove the extension
from the subset list.
(riscv_update_subset): Add/Remove an extension to/from the
subset list. This is used for the .option rvc or norvc.
* elfxx-riscv.h: Added the extern bool riscv_update_subset.
gas/
* config/tc-riscv.c (riscv_set_options): Removed the unused
rve flag.
(riscv_opts): Likewise.
(riscv_set_rve): Removed.
(riscv_subset_supports): Removed the riscv_opts.rvc check.
(riscv_set_arch): Don't need to call riscv_set_rve.
(reg_lookup_internal): Call riscv_subset_supports to check
whether the rve is supported.
(s_riscv_option): Add/Remove the rvc extension to/from the
subset list once the .option rvc/norvc is set.
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yyleng gives the pattern length, xstrdup just copies up to the NUL.
So it is quite possible writing at an index of yyleng-2 overflows
the xstrdup allocated string buffer. xmemdup quite handily avoids
this problem, even writing the terminating NUL over the trailing
quote. Use it in ldlex.l too where we'd already had a report of this
problem and fixed it by hand, and to implement xmemdup0 in gas.
binutils/
* deflex.l (single and double quote strings): Use xmemdup.
gas/
* as.h (xmemdup0): Use xmemdup.
ld/
PR 20906
* ldlex.l (double quote string): Use xmemdup.
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* testsuite/gas/arm/unwind-pacbti-m.d: Match armeb output.
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Update also include:
+ New value of Tag_CPU_arch EABI attribute (22) is added.
+ Updated missing Tag_CPU_arch EABI attributes.
+ Updated how we combine archs 'v4t_plus_v6_m' as this mechanism
have to handle new Armv9 as well.
Regression tested on `arm-none-eabi` cross Binutils and no issues.
bfd/
* archures.c: Define bfd_mach_arm_9.
* bfd-in2.h (bfd_mach_arm_9): Define bfd_mach_arm_9.
* cpu-arm.c: Add 'armv9-a' option to -march.
* elf32-arm.c (using_thumb2_bl): Update assert check.
(arch_has_arm_nop): Add TAG_CPU_ARCH_V9.
(bfd_arm_get_mach_from_attributes): Add case for TAG_CPU_ARCH_V9.
Update assert.
(tag_cpu_arch_combine): Updated table.
(v9): New table..
binutils/
* readelf.c (arm_attr_tag_CPU_arch): Update with
elfcpp/
* arm.h: Update TAG_CPU_ARCH_ enums with correct values.
gas/
* NEWS: Update docs.
* config/tc-arm.c (get_aeabi_cpu_arch_from_fset): Return Armv9-a
for -amarch=all.
(aeabi_set_public_attributes): Update assert.
* doc/c-arm.texi: Update docs.
* testsuite/gas/arm/armv9-a_arch.d: New test.
* testsuite/gas/arm/attr-march-all.d: Update test with v9.
include/
* elf/arm.h Update TAG_CPU_ARCH_ defines with correct values.
* opcode/arm.h (ARM_EXT3_V9A): New macro.
(ARM_ARCH_NONE): Updated with arm_feature_set.core size.
(FPU_NONE): Updated.
(ARM_ANY): Updated.
(ARM_ARCH_UNKNOWN): New macro.
(ARM_FEATURE_LOW): Updated.
(ARM_FEATURE_CORE): Updated.
(ARM_FEATURE_CORE_LOW): Updated.
(ARM_FEATURE_CORE_HIGH): Updated.
(ARM_FEATURE_COPROC): Updated.
(ARM_FEATURE): Updated.
(ARM_FEATURE_ALL): New macro.
opcodes/
* arm-dis.c (select_arm_features): Support bfd_mach_arm_9.
Also Update bfd_mach_arm_unknown to use new macro ARM_ARCH_UNKNOWN.
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Move the gas testsuite files to where they belong.
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VPOP instructions.
PR 28436
* config/tc-arm.c (do_vfp_nsyn_push_pop_check): New function.
(do_vfp_nsyn_pop): Use the new function.
(do_vfp_nsyn_push): Use the new function.
* testsuite/gas/arm/v8_1m-mve.s: Add new instructions.
* testsuite/gas/arm/v8_1m-mve.d: Updated expected disassembly.
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This patch adds support for encoding the Return Address Authentication pseudo
register - '.save {ra_auth_code}' as defined by the DWARF ABI - in the
exception tables where the opcode is defined by the EHABI
gas/Changelog:
* config/tc-arm.c (arm_reg_type): Add new type REG_TYPE_PSEUDO.
(reg_expected_msgs): Add message for pseudo reg type.
(reg_list_els): Add new reg list type REGLIST_PSEUDO.
(parse_reg_list): Handle new REGLIST_PSEUDO type.
(s_arm_unwind_save_pseudo): Encode pseudo reg list save in exception
tables.
(s_arm_unwind_save): Handle new REG_TYPE_PSEUDO.
(reg_names): Add ra_auth_code pseudo register.
* testsuite/gas/arm/unwind-pacbti-m.s: New test.
* testsuite/gas/arm/unwind-pacbti-m.d: New test.
* testsuite/gas/arm/unwind-pacbti-m-readelf.d: New test.
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Tidy the gas/config/tc-riscv.c and opcodes/riscv-dis.c, to prepare for
moving the released extensions (including released vendor extensions)
from integration branch back to mainline.
* Added parts of missing comments.
* Updated md_show_usage.
* For validate_riscv_insn, riscv_ip and print_insn_args, unify the
following pointer names,
- oparg: pointed to the parsed operand defined in the riscv_opcodes.
- asarg: pointed to the parsed operand from assembly.
- opargStart: recorded the parsed operand name from riscv_opcodes.
- asargStart: recorded the parsed operand name from assembly.
gas/
* config/tc-riscv.c: Added parts of missind comments and updated
the md_show_usage.
(riscv_multi_subset_supports): Tidy codes.
(validate_riscv_insn): Unify the pointer names, oparg, asarg,
opargStart and asargStart, to prepare for moving the released
extensions from integration branch back to mainline.
(riscv_ip): Likewise.
(macro_build): Added fmtStart, also used to prepare for moving
released extensions.
(md_show_usage): Added missing descriptions for new options.
opcodes/
* riscv-dis.c (print_insn_args): Unify the pointer names,
oparg and opargStart, to prepare for moving the released
extensions from integration branch back to mainline.
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* config/tc-i386.c (encode_with_unaligned_vector_move): Also
handle stores.
* testsuite/gas/i386/unaligned-vector-move.s: Add stores.
* testsuite/gas/i386/unaligned-vector-move.d: Updated.
* testsuite/gas/i386/x86-64-unaligned-vector-move.d: Likewise.
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2021-10-22 Chenghua Xu <xuchenghua@loongson.cn>
Zhensong Liu <liuzhensong@loongson.cn>
Weinan Liu <liuweinan@loongson.cn>
Xiaolin Tang <tangxiaolin@loongson.cn>
gas/
* Makefile.am: Add LoongArch.
* NEWS: Mention LoongArch support.
* config/loongarch-lex-wrapper.c: New.
* config/loongarch-lex.h: New.
* config/loongarch-lex.l: New.
* config/loongarch-parse.y: New.
* config/tc-loongarch.c: New.
* config/tc-loongarch.h: New.
* configure.ac: Add LoongArch.
* configure.tgt: Likewise.
* doc/as.texi: Likewise.
* doc/c-loongarch.texi: Likewise.
* Makefile.in: Regenerate.
* configure: Regenerate.
* po/POTFILES.in: Regenerate.
gas/testsuite/
* gas/all/gas.exp: Add LoongArch.
* gas/elf/elf.exp: Likewise.
* gas/loongarch/4opt_op.d: New.
* gas/loongarch/4opt_op.s: Likewise.
* gas/loongarch/fix_op.d: Likewise.
* gas/loongarch/fix_op.s: Likewise.
* gas/loongarch/float_op.d: Likewise.
* gas/loongarch/float_op.s: Likewise.
* gas/loongarch/imm_op.d: Likewise.
* gas/loongarch/imm_op.s: Likewise.
* gas/loongarch/jmp_op.d: Likewise.
* gas/loongarch/jmp_op.s: Likewise.
* gas/loongarch/load_store_op.d: Likewise.
* gas/loongarch/load_store_op.s: Likewise.
* gas/loongarch/loongarch.exp: Likewise.
* gas/loongarch/macro_op.d: Likewise.
* gas/loongarch/macro_op.s: Likewise.
* gas/loongarch/nop.d: Likewise.
* gas/loongarch/nop.s: Likewise.
* gas/loongarch/privilege_op.d: Likewise.
* gas/loongarch/privilege_op.s: Likewise.
* gas/loongarch/syscall.d: Likewise.
* gas/loongarch/syscall.s: Likewise.
* lib/gas-defs.exp: Add LoongArch.
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