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Use thumb2 for ARM architectures V6T2 and later. Fix a bug in checking
for "thumb" and add a check for V6T2. llvm-svn: 73905
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@ -51,7 +51,7 @@ ARMSubtarget::ARMSubtarget(const Module &M, const std::string &FS,
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if (Len >= 5 && TT.substr(0, 4) == "armv")
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Idx = 4;
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else if (Len >= 6 && TT.substr(0, 6) == "thumb") {
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else if (Len >= 6 && TT.substr(0, 5) == "thumb") {
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IsThumb = true;
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if (Len >= 7 && TT[5] == 'v')
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Idx = 6;
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@ -59,15 +59,19 @@ ARMSubtarget::ARMSubtarget(const Module &M, const std::string &FS,
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if (Idx) {
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unsigned SubVer = TT[Idx];
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if (SubVer > '4' && SubVer <= '9') {
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if (SubVer >= '7')
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if (SubVer >= '7') {
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ARMArchVersion = V7A;
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else if (SubVer == '6')
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} else if (SubVer == '6') {
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ARMArchVersion = V6;
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else if (SubVer == '5') {
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if (Len >= Idx+3 && TT[Idx+1] == 't' && TT[Idx+2] == '2')
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ARMArchVersion = V6T2;
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} else if (SubVer == '5') {
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ARMArchVersion = V5T;
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if (Len >= Idx+3 && TT[Idx+1] == 't' && TT[Idx+2] == 'e')
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ARMArchVersion = V5TE;
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}
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if (ARMArchVersion >= V6T2)
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ThumbMode = Thumb2;
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}
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}
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