diff options
Diffstat (limited to 'lib/Target/X86/X86.td')
| -rw-r--r-- | lib/Target/X86/X86.td | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td index 6d08b36..8867298 100644 --- a/lib/Target/X86/X86.td +++ b/lib/Target/X86/X86.td @@ -48,6 +48,8 @@ def Feature3DNowA : SubtargetFeature<"3dnowa", "X863DNowLevel", "ThreeDNowA", def Feature64Bit : SubtargetFeature<"64bit", "HasX86_64", "true", "Support 64-bit instructions", [FeatureSSE2]>; +def FeatureSlowBTMem : SubtargetFeature<"slow-bt-mem", "IsBTMemSlow", "true", + "Bit testing of memory is slow">; //===----------------------------------------------------------------------===// // X86 processors supported. @@ -66,27 +68,27 @@ def : Proc<"i686", []>; def : Proc<"pentiumpro", []>; def : Proc<"pentium2", [FeatureMMX]>; def : Proc<"pentium3", [FeatureSSE1]>; -def : Proc<"pentium-m", [FeatureSSE2]>; +def : Proc<"pentium-m", [FeatureSSE2, FeatureSlowBTMem]>; def : Proc<"pentium4", [FeatureSSE2]>; -def : Proc<"x86-64", [Feature64Bit]>; -def : Proc<"yonah", [FeatureSSE3]>; -def : Proc<"prescott", [FeatureSSE3]>; -def : Proc<"nocona", [FeatureSSE3, Feature64Bit]>; -def : Proc<"core2", [FeatureSSSE3, Feature64Bit]>; -def : Proc<"penryn", [FeatureSSE41, Feature64Bit]>; +def : Proc<"x86-64", [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<"k6", [FeatureMMX]>; def : Proc<"k6-2", [FeatureMMX, Feature3DNow]>; def : Proc<"k6-3", [FeatureMMX, Feature3DNow]>; -def : Proc<"athlon", [FeatureMMX, Feature3DNowA]>; -def : Proc<"athlon-tbird", [FeatureMMX, Feature3DNowA]>; -def : Proc<"athlon-4", [FeatureSSE1, Feature3DNowA]>; -def : Proc<"athlon-xp", [FeatureSSE1, Feature3DNowA]>; -def : Proc<"athlon-mp", [FeatureSSE1, Feature3DNowA]>; -def : Proc<"k8", [Feature3DNowA, Feature64Bit]>; -def : Proc<"opteron", [Feature3DNowA, Feature64Bit]>; -def : Proc<"athlon64", [Feature3DNowA, Feature64Bit]>; -def : Proc<"athlon-fx", [Feature3DNowA, Feature64Bit]>; +def : Proc<"athlon", [FeatureMMX, Feature3DNowA, FeatureSlowBTMem]>; +def : Proc<"athlon-tbird", [FeatureMMX, Feature3DNowA, FeatureSlowBTMem]>; +def : Proc<"athlon-4", [FeatureSSE1, Feature3DNowA, FeatureSlowBTMem]>; +def : Proc<"athlon-xp", [FeatureSSE1, Feature3DNowA, FeatureSlowBTMem]>; +def : Proc<"athlon-mp", [FeatureSSE1, Feature3DNowA, FeatureSlowBTMem]>; +def : Proc<"k8", [Feature3DNowA, Feature64Bit, FeatureSlowBTMem]>; +def : Proc<"opteron", [Feature3DNowA, Feature64Bit, FeatureSlowBTMem]>; +def : Proc<"athlon64", [Feature3DNowA, Feature64Bit, FeatureSlowBTMem]>; +def : Proc<"athlon-fx", [Feature3DNowA, Feature64Bit, FeatureSlowBTMem]>; def : Proc<"winchip-c6", [FeatureMMX]>; def : Proc<"winchip2", [FeatureMMX, Feature3DNow]>; |