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Separate unrelated cases that once shared a numeric value

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llvm-svn: 104629
This commit is contained in:
Jakob Stoklund Olesen 2010-05-25 19:49:40 +00:00
parent 9210d3b189
commit 1fcfb4a867
1 changed files with 12 additions and 9 deletions
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21
lib/Target/X86/X86RegisterInfo.cpp
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@ -158,7 +158,6 @@ X86RegisterInfo::getMatchingSuperRegClass(const TargetRegisterClass *A,
switch (SubIdx) {
default: return 0;
case X86::sub_8bit:
case X86::sub_ss:
if (B == &X86::GR8RegClass) {
if (A->getSize() == 2 || A->getSize() == 4 || A->getSize() == 8)
return A;
@ -190,12 +189,9 @@ X86RegisterInfo::getMatchingSuperRegClass(const TargetRegisterClass *A,
return &X86::GR16_NOREXRegClass;
else if (A == &X86::GR16_ABCDRegClass)
return &X86::GR16_ABCDRegClass;
} else if (B == &X86::FR32RegClass) {
return A;
}
break;
case X86::sub_8bit_hi:
case X86::sub_sd:
if (B == &X86::GR8_ABCD_HRegClass) {
if (A == &X86::GR64RegClass || A == &X86::GR64_ABCDRegClass ||
A == &X86::GR64_NOREXRegClass ||
@ -208,12 +204,9 @@ X86RegisterInfo::getMatchingSuperRegClass(const TargetRegisterClass *A,
else if (A == &X86::GR16RegClass || A == &X86::GR16_ABCDRegClass ||
A == &X86::GR16_NOREXRegClass)
return &X86::GR16_ABCDRegClass;
} else if (B == &X86::FR64RegClass) {
return A;
}
break;
case X86::sub_16bit:
case X86::sub_xmm:
if (B == &X86::GR16RegClass) {
if (A->getSize() == 4 || A->getSize() == 8)
return A;
@ -237,8 +230,6 @@ X86RegisterInfo::getMatchingSuperRegClass(const TargetRegisterClass *A,
return &X86::GR32_NOREXRegClass;
else if (A == &X86::GR32_ABCDRegClass)
return &X86::GR64_ABCDRegClass;
} else if (B == &X86::VR128RegClass) {
return A;
}
break;
case X86::sub_32bit:
@ -259,6 +250,18 @@ X86RegisterInfo::getMatchingSuperRegClass(const TargetRegisterClass *A,
return &X86::GR64_ABCDRegClass;
}
break;
case X86::sub_ss:
if (B == &X86::FR32RegClass)
return A;
break;
case X86::sub_sd:
if (B == &X86::FR64RegClass)
return A;
break;
case X86::sub_xmm:
if (B == &X86::VR128RegClass)
return A;
break;
}
return 0;
}