diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86.td | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/llvm/lib/Target/X86/X86.td b/llvm/lib/Target/X86/X86.td index a6e1ca3128e..313177eac08 100644 --- a/llvm/lib/Target/X86/X86.td +++ b/llvm/lib/Target/X86/X86.td @@ -57,6 +57,8 @@ def Feature64Bit : SubtargetFeature<"64bit", "HasX86_64", "true", "Support 64-bit instructions">; def FeatureSlowBTMem : SubtargetFeature<"slow-bt-mem", "IsBTMemSlow", "true", "Bit testing of memory is slow">; +def FeatureBreakSSEDep : SubtargetFeature<"break-sse-dep", "BreakSSEDep","true", + "Should break SSE partial update dep with load / xorps">; def FeatureSSE4A : SubtargetFeature<"sse4a", "HasSSE4A", "true", "Support SSE 4a instructions">; @@ -86,17 +88,27 @@ def : Proc<"pentium2", [FeatureMMX, FeatureCMOV]>; def : Proc<"pentium3", [FeatureSSE1]>; def : Proc<"pentium-m", [FeatureSSE2, FeatureSlowBTMem]>; def : Proc<"pentium4", [FeatureSSE2]>; -def : Proc<"x86-64", [FeatureSSE2, Feature64Bit, FeatureSlowBTMem]>; -def : Proc<"yonah", [FeatureSSE3, FeatureSlowBTMem]>; -def : Proc<"prescott", [FeatureSSE3, FeatureSlowBTMem]>; -def : Proc<"nocona", [FeatureSSE3, Feature64Bit, FeatureSlowBTMem]>; -def : Proc<"core2", [FeatureSSSE3, Feature64Bit, FeatureSlowBTMem]>; -def : Proc<"penryn", [FeatureSSE41, Feature64Bit, FeatureSlowBTMem]>; -def : Proc<"atom", [FeatureSSE3, Feature64Bit, FeatureSlowBTMem]>; -def : Proc<"corei7", [FeatureSSE42, Feature64Bit, FeatureSlowBTMem]>; -def : Proc<"nehalem", [FeatureSSE42, Feature64Bit, FeatureSlowBTMem]>; +def : Proc<"x86-64", [FeatureSSE2, Feature64Bit, FeatureSlowBTMem, + FeatureBreakSSEDep]>; +def : Proc<"yonah", [FeatureSSE3, FeatureSlowBTMem, + FeatureBreakSSEDep]>; +def : Proc<"prescott", [FeatureSSE3, FeatureSlowBTMem, + FeatureBreakSSEDep]>; +def : Proc<"nocona", [FeatureSSE3, Feature64Bit, FeatureSlowBTMem, + FeatureBreakSSEDep]>; +def : Proc<"core2", [FeatureSSSE3, Feature64Bit, FeatureSlowBTMem, + FeatureBreakSSEDep]>; +def : Proc<"penryn", [FeatureSSE41, Feature64Bit, FeatureSlowBTMem, + FeatureBreakSSEDep]>; +def : Proc<"atom", [FeatureSSE3, Feature64Bit, FeatureSlowBTMem, + FeatureBreakSSEDep]>; +def : Proc<"corei7", [FeatureSSE42, Feature64Bit, FeatureSlowBTMem, + FeatureBreakSSEDep]>; +def : Proc<"nehalem", [FeatureSSE42, Feature64Bit, FeatureSlowBTMem, + FeatureBreakSSEDep]>; // Sandy Bridge does not have FMA -def : Proc<"sandybridge", [FeatureSSE42, FeatureAVX, Feature64Bit]>; +def : Proc<"sandybridge", [FeatureSSE42, FeatureAVX, Feature64Bit, + FeatureBreakSSEDep]>; def : Proc<"k6", [FeatureMMX]>; def : Proc<"k6-2", [FeatureMMX, Feature3DNow]>; |
