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Remove target attribute break-sse-dep. Instead, do not fold load into sse partial update instructions unless optimizing for size.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91910 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-12-22 17:47:23 +00:00
parent 3dac3b7d23
commit b1f4981333
7 changed files with 25 additions and 56 deletions
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32
lib/Target/X86/X86.td
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@@ -57,8 +57,6 @@ 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">;
@@ -88,27 +86,17 @@ 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,
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]>;
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]>;
// Sandy Bridge does not have FMA
def : Proc<"sandybridge", [FeatureSSE42, FeatureAVX, Feature64Bit,
FeatureBreakSSEDep]>;
def : Proc<"sandybridge", [FeatureSSE42, FeatureAVX, Feature64Bit]>;
def : Proc<"k6", [FeatureMMX]>;
def : Proc<"k6-2", [FeatureMMX, Feature3DNow]>;