diff options
Diffstat (limited to 'gcc/config/rs6000')
| -rw-r--r-- | gcc/config/rs6000/linux64.h | 4 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000-c.c | 2 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 16 | ||||
| -rw-r--r-- | gcc/config/rs6000/sysv4.h | 7 | ||||
| -rw-r--r-- | gcc/config/rs6000/vector.md | 1 |
5 files changed, 23 insertions, 7 deletions
diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h index 78e84531300..66b483ec116 100644 --- a/gcc/config/rs6000/linux64.h +++ b/gcc/config/rs6000/linux64.h @@ -71,7 +71,11 @@ extern int dot_symbols; #undef PROCESSOR_DEFAULT #define PROCESSOR_DEFAULT PROCESSOR_POWER7 #undef PROCESSOR_DEFAULT64 +#ifdef LINUX64_DEFAULT_ABI_ELFv2 +#define PROCESSOR_DEFAULT64 PROCESSOR_POWER8 +#else #define PROCESSOR_DEFAULT64 PROCESSOR_POWER7 +#endif /* We don't need to generate entries in .fixup, except when -mrelocatable or -mrelocatable-lib is given. */ diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c index e2e5409d998..8cc0dc691cf 100644 --- a/gcc/config/rs6000/rs6000-c.c +++ b/gcc/config/rs6000/rs6000-c.c @@ -26,6 +26,8 @@ #include "tm.h" #include "cpplib.h" #include "tree.h" +#include "stor-layout.h" +#include "stringpool.h" #include "wide-int.h" #include "c-family/c-common.h" #include "c-family/c-pragma.h" diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index c530ccde536..df2ca2440b3 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -32,6 +32,11 @@ #include "recog.h" #include "obstack.h" #include "tree.h" +#include "stringpool.h" +#include "stor-layout.h" +#include "calls.h" +#include "print-tree.h" +#include "varasm.h" #include "expr.h" #include "optabs.h" #include "except.h" @@ -3217,6 +3222,12 @@ rs6000_option_override_internal (bool global_init_p) } } + /* If little-endian, default to -mstrict-align on older processors. + Testing for htm matches power8 and later. */ + if (!BYTES_BIG_ENDIAN + && !(processor_target_table[tune_index].target_enable & OPTION_MASK_HTM)) + rs6000_isa_flags |= ~rs6000_isa_flags_explicit & OPTION_MASK_STRICT_ALIGN; + /* Add some warnings for VSX. */ if (TARGET_VSX) { @@ -7984,6 +7995,7 @@ rs6000_emit_le_vsx_move (rtx dest, rtx source, enum machine_mode mode) gcc_assert (!BYTES_BIG_ENDIAN && VECTOR_MEM_VSX_P (mode) && mode != TImode + && !gpr_or_gpr_p (dest, source) && (MEM_P (source) ^ MEM_P (dest))); if (MEM_P (source)) @@ -22938,7 +22950,7 @@ rs6000_emit_prologue (void) && DEFAULT_ABI == ABI_V4 && flag_pic && ! info->lr_save_p - && EDGE_COUNT (EXIT_BLOCK_PTR->preds) > 0); + && EDGE_COUNT (EXIT_BLOCK_PTR_FOR_FN (cfun)->preds) > 0); if (save_LR_around_toc_setup) { rtx lr = gen_rtx_REG (Pmode, LR_REGNO); @@ -29801,6 +29813,8 @@ altivec_expand_vec_perm_const (rtx operands[4]) break; if (i == 16) { + if (!BYTES_BIG_ENDIAN) + elt = 15 - elt; emit_insn (gen_altivec_vspltb (target, op0, GEN_INT (elt))); return true; } diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h index ba4ceb3ff2e..73c3ec16c2c 100644 --- a/gcc/config/rs6000/sysv4.h +++ b/gcc/config/rs6000/sysv4.h @@ -538,12 +538,7 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN) #define CC1_ENDIAN_BIG_SPEC "" -#define CC1_ENDIAN_LITTLE_SPEC "\ -%{!mstrict-align: %{!mno-strict-align: \ - %{!mcall-i960-old: \ - -mstrict-align \ - } \ -}}" +#define CC1_ENDIAN_LITTLE_SPEC "" #define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)" diff --git a/gcc/config/rs6000/vector.md b/gcc/config/rs6000/vector.md index 10a401813d1..650fbddc2bb 100644 --- a/gcc/config/rs6000/vector.md +++ b/gcc/config/rs6000/vector.md @@ -108,6 +108,7 @@ if (!BYTES_BIG_ENDIAN && VECTOR_MEM_VSX_P (<MODE>mode) && <MODE>mode != TImode + && !gpr_or_gpr_p (operands[0], operands[1]) && (memory_operand (operands[0], <MODE>mode) ^ memory_operand (operands[1], <MODE>mode))) { |