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authorJan Hubicka <jh@suse.cz>2013-09-21 22:59:10 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2013-09-21 20:59:10 +0000
commit0ca6c49ff1069176f2fd34e3e13ed44aaea23bdb (patch)
tree70bc44cb139cf493dad73437141afad954c192ed /gcc/config
parent765c1354c7c9a81e9d78504a8db051ca23df7b92 (diff)
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x86-tune.def (partial_reg_stall): Disable for CoreI7 and newer.
* x86-tune.def (partial_reg_stall): Disable for CoreI7 and newer. (sse_typeless_stores): Enable for core (sse_load0_by_pxor): Likewise. (four_jump_limit): Disable for core. (pad_returns): Likewise. (avoid_vector_decode): Likewise. (fuse_cmp_and_branch): Enable for cores. * i386.c (x86_accumulate_outgoing_args): Disable for cores. From-SVN: r202813
Diffstat (limited to 'gcc/config')
-rw-r--r--gcc/config/i386/i386.c2
-rw-r--r--gcc/config/i386/x86-tune.def16
2 files changed, 10 insertions, 8 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 46c37d8..0c10e73 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -1899,7 +1899,7 @@ static unsigned int initial_ix86_arch_features[X86_ARCH_LAST] = {
};
static const unsigned int x86_accumulate_outgoing_args
- = m_PPRO | m_P4_NOCONA | m_ATOM | m_SLM | m_CORE_ALL | m_AMD_MULTIPLE | m_GENERIC;
+ = m_PPRO | m_P4_NOCONA | m_ATOM | m_SLM | m_AMD_MULTIPLE | m_GENERIC;
static const unsigned int x86_arch_always_fancy_math_387
= m_PENT | m_PPRO | m_P4_NOCONA | m_CORE_ALL | m_ATOM | m_SLM | m_AMD_MULTIPLE | m_GENERIC;
diff --git a/gcc/config/i386/x86-tune.def b/gcc/config/i386/x86-tune.def
index fc19df1..5f2e897 100644
--- a/gcc/config/i386/x86-tune.def
+++ b/gcc/config/i386/x86-tune.def
@@ -52,7 +52,7 @@ DEF_TUNE (X86_TUNE_MOVX, "movx",
and can happen in caller/callee saving sequences. */
DEF_TUNE (X86_TUNE_PARTIAL_REG_STALL, "partial_reg_stall", m_PPRO)
DEF_TUNE (X86_TUNE_PARTIAL_FLAG_REG_STALL, "partial_flag_reg_stall",
- m_CORE_ALL | m_GENERIC)
+ m_CORE2 | m_GENERIC)
/* X86_TUNE_LCP_STALL: Avoid an expensive length-changing prefix stall
* on 16-bit immediate moves into memory on Core2 and Corei7. */
DEF_TUNE (X86_TUNE_LCP_STALL, "lcp_stall", m_CORE_ALL | m_GENERIC)
@@ -125,8 +125,10 @@ DEF_TUNE (X86_TUNE_SSE_PACKED_SINGLE_INSN_OPTIMAL, "sse_packed_single_insn_optim
maintain just lower part of scalar values in proper format leaving the
upper part undefined. */
DEF_TUNE (X86_TUNE_SSE_SPLIT_REGS, "sse_split_regs", m_ATHLON_K8)
-DEF_TUNE (X86_TUNE_SSE_TYPELESS_STORES, "sse_typeless_stores", m_AMD_MULTIPLE)
-DEF_TUNE (X86_TUNE_SSE_LOAD0_BY_PXOR, "sse_load0_by_pxor", m_PPRO | m_P4_NOCONA)
+DEF_TUNE (X86_TUNE_SSE_TYPELESS_STORES, "sse_typeless_stores",
+ m_AMD_MULTIPLE | m_CORE_ALL)
+DEF_TUNE (X86_TUNE_SSE_LOAD0_BY_PXOR, "sse_load0_by_pxor",
+ m_PPRO | m_P4_NOCONA | m_CORE_ALL)
DEF_TUNE (X86_TUNE_MEMORY_MISMATCH_STALL, "memory_mismatch_stall",
m_P4_NOCONA | m_CORE_ALL | m_ATOM | m_SLM | m_AMD_MULTIPLE | m_GENERIC)
DEF_TUNE (X86_TUNE_PROLOGUE_USING_MOVE, "prologue_using_move",
@@ -144,7 +146,7 @@ DEF_TUNE (X86_TUNE_INTER_UNIT_CONVERSIONS, "inter_unit_conversions",
/* X86_TUNE_FOUR_JUMP_LIMIT: Some CPU cores are not able to predict more
than 4 branch instructions in the 16 byte window. */
DEF_TUNE (X86_TUNE_FOUR_JUMP_LIMIT, "four_jump_limit",
- m_PPRO | m_P4_NOCONA | m_CORE_ALL | m_ATOM | m_SLM| m_AMD_MULTIPLE
+ m_PPRO | m_P4_NOCONA | m_ATOM | m_SLM | m_AMD_MULTIPLE
| m_GENERIC)
DEF_TUNE (X86_TUNE_SCHEDULE, "schedule",
m_PENT | m_PPRO | m_CORE_ALL | m_ATOM | m_SLM | m_K6_GEODE
@@ -154,13 +156,13 @@ DEF_TUNE (X86_TUNE_USE_BT, "use_bt",
DEF_TUNE (X86_TUNE_USE_INCDEC, "use_incdec",
~(m_P4_NOCONA | m_CORE_ALL | m_ATOM | m_SLM | m_GENERIC))
DEF_TUNE (X86_TUNE_PAD_RETURNS, "pad_returns",
- m_CORE_ALL | m_AMD_MULTIPLE | m_GENERIC)
+ m_AMD_MULTIPLE | m_GENERIC)
DEF_TUNE (X86_TUNE_PAD_SHORT_FUNCTION, "pad_short_function", m_ATOM)
DEF_TUNE (X86_TUNE_EXT_80387_CONSTANTS, "ext_80387_constants",
m_PPRO | m_P4_NOCONA | m_CORE_ALL | m_ATOM | m_SLM | m_K6_GEODE
| m_ATHLON_K8 | m_GENERIC)
DEF_TUNE (X86_TUNE_AVOID_VECTOR_DECODE, "avoid_vector_decode",
- m_CORE_ALL | m_K8 | m_GENERIC)
+ m_K8 | m_GENERIC)
/* X86_TUNE_PROMOTE_HIMODE_IMUL: Modern CPUs have same latency for HImode
and SImode multiply, but 386 and 486 do HImode multiply faster. */
DEF_TUNE (X86_TUNE_PROMOTE_HIMODE_IMUL, "promote_himode_imul",
@@ -193,7 +195,7 @@ DEF_TUNE (X86_TUNE_USE_VECTOR_CONVERTS, "use_vector_converts", m_AMDFAM10)
/* X86_TUNE_FUSE_CMP_AND_BRANCH: Fuse a compare or test instruction
with a subsequent conditional jump instruction into a single
compare-and-branch uop. */
-DEF_TUNE (X86_TUNE_FUSE_CMP_AND_BRANCH, "fuse_cmp_and_branch", m_BDVER)
+DEF_TUNE (X86_TUNE_FUSE_CMP_AND_BRANCH, "fuse_cmp_and_branch", m_BDVER | m_CORE_ALL)
/* X86_TUNE_OPT_AGU: Optimize for Address Generation Unit. This flag
will impact LEA instruction selection. */
DEF_TUNE (X86_TUNE_OPT_AGU, "opt_agu", m_ATOM | m_SLM)