From 126124cc0f3f0417913bfd84d83e4e525b6facf9 Mon Sep 17 00:00:00 2001 From: Claudiu Zissulescu Date: Tue, 25 Apr 2017 17:07:00 +0200 Subject: [ARC] Enhance enter/leave mnemonics. enter/leave mnemonics are enhanced to not only accept register ranges but also single register (i.e., r13) or even no GPR register at all. gas/ 2017-04-25 Claudiu Zissulescu * testsuite/gas/arc/leave_enter.d: Update test. * testsuite/gas/arc/leave_enter.s: Likewise. opcodes/ 2017-04-25 Claudiu Zissulescu * arc-dis.c (print_insn_arc): Smartly print enter/leave mnemonics. * arc-opc.c (insert_r13el): New function. (R13_EL): Define. * arc-tbl.h: Add new enter/leave variants. --- opcodes/ChangeLog | 7 +++++++ opcodes/arc-dis.c | 19 ++++++++++++++++--- opcodes/arc-opc.c | 20 +++++++++++++++++++- opcodes/arc-tbl.h | 2 ++ 4 files changed, 44 insertions(+), 4 deletions(-) (limited to 'opcodes') diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 7076de5ca25..b9d67d2745f 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,10 @@ +2017-04-25 Claudiu Zissulescu + + * arc-dis.c (print_insn_arc): Smartly print enter/leave mnemonics. + * arc-opc.c (insert_r13el): New function. + (R13_EL): Define. + * arc-tbl.h: Add new enter/leave variants. + 2017-04-25 Claudiu Zissulescu * arc-tbl.h: Reorder NOP entry to be before MOV instructions. diff --git a/opcodes/arc-dis.c b/opcodes/arc-dis.c index 4beca689c39..6fb030e5dbe 100644 --- a/opcodes/arc-dis.c +++ b/opcodes/arc-dis.c @@ -1208,9 +1208,22 @@ print_insn_arc (bfd_vma memaddr, if (operand->flags & ARC_OPERAND_TRUNCATE && !(operand->flags & ARC_OPERAND_ALIGNED32) && !(operand->flags & ARC_OPERAND_ALIGNED16) - && value > 0 && value <= 14) - (*info->fprintf_func) (info->stream, "r13-%s", - regnames[13 + value - 1]); + && value >= 0 && value <= 14) + { + switch (value) + { + case 0: + need_comma = FALSE; + break; + case 1: + (*info->fprintf_func) (info->stream, "r13"); + break; + default: + (*info->fprintf_func) (info->stream, "r13-%s", + regnames[13 + value - 1]); + break; + } + } else { const char *rname = get_auxreg (opcode, value, isa_mask); diff --git a/opcodes/arc-opc.c b/opcodes/arc-opc.c index 41cd0375d28..c266f4f1ac9 100644 --- a/opcodes/arc-opc.c +++ b/opcodes/arc-opc.c @@ -545,6 +545,21 @@ extract_rrange (unsigned long long insn, return (insn >> 1) & 0x0F; } +static unsigned long long +insert_r13el (unsigned long long insn, + long long int value, + const char **errmsg) +{ + if (value != 13) + { + *errmsg = _("Invalid register number, should be fp"); + return insn; + } + + insn |= 0x02; + return insn; +} + static unsigned long long insert_fpel (unsigned long long insn, long long value, @@ -1876,7 +1891,10 @@ const struct arc_operand arc_operands[] = #define RRANGE_EL (ZA + 1) { 4, 0, 0, ARC_OPERAND_UNSIGNED | ARC_OPERAND_NCHK | ARC_OPERAND_TRUNCATE, insert_rrange, extract_rrange}, -#define FP_EL (RRANGE_EL + 1) +#define R13_EL (RRANGE_EL + 1) + { 1, 0, 0, ARC_OPERAND_IR | ARC_OPERAND_IGNORE | ARC_OPERAND_NCHK, + insert_r13el, extract_rrange }, +#define FP_EL (R13_EL + 1) { 1, 0, 0, ARC_OPERAND_IR | ARC_OPERAND_IGNORE | ARC_OPERAND_NCHK, insert_fpel, extract_fpel }, #define BLINK_EL (FP_EL + 1) diff --git a/opcodes/arc-tbl.h b/opcodes/arc-tbl.h index 6b8a589cfac..826b2ce97cc 100644 --- a/opcodes/arc-tbl.h +++ b/opcodes/arc-tbl.h @@ -6192,6 +6192,7 @@ /* enter_s u6 110000UU111uuuu0. */ { "enter_s", 0x0000C0E0, 0x0000FCE1, ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS, ENTER, CD1, { BRAKET, RRANGE_EL, FP_EL, BLINK_EL, BRAKETdup }, { 0 }}, +{ "enter_s", 0x0000C0E0, 0x0000FCE1, ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS, ENTER, CD1, { BRAKET, R13_EL, FP_EL, BLINK_EL, BRAKETdup }, { 0 }}, { "enter_s", 0x0000C0E0, 0x0000FCE1, ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS, ENTER, CD1, { UIMM6_11_S }, { 0 }}, /* ex<.di> b,c 00100bbb00101111DBBBCCCCCC001100. */ @@ -8230,6 +8231,7 @@ /* leave_s u7 11000UUU110uuuu0. */ { "leave_s", 0x0000C0C0, 0x0000F8E1, ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS, LEAVE, CD1, { BRAKET, RRANGE_EL, FP_EL, BLINK_EL, PCL_EL, BRAKETdup }, { 0 }}, +{ "leave_s", 0x0000C0C0, 0x0000F8E1, ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS, LEAVE, CD1, { BRAKET, R13_EL, FP_EL, BLINK_EL, PCL_EL, BRAKETdup }, { 0 }}, { "leave_s", 0x0000C0C0, 0x0000F8E1, ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS, LEAVE, CD1, { UIMM7_11_S }, { 0 }}, /* llock<.di> b,c 00100bbb00101111DBBBCCCCCC010000. */ -- cgit v1.2.1