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Use thumb2 for ARM architectures V6T2 and later. Fix a bug in checking

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for "thumb" and add a check for V6T2.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73905 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2009-06-22 21:28:22 +00:00
parent d32f5bf22d
commit 9170ab6685
1 changed files with 8 additions and 4 deletions
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12
lib/Target/ARM/ARMSubtarget.cpp
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@ -51,7 +51,7 @@ ARMSubtarget::ARMSubtarget(const Module &M, const std::string &FS,
if (Len >= 5 && TT.substr(0, 4) == "armv")
Idx = 4;
else if (Len >= 6 && TT.substr(0, 6) == "thumb") {
else if (Len >= 6 && TT.substr(0, 5) == "thumb") {
IsThumb = true;
if (Len >= 7 && TT[5] == 'v')
Idx = 6;
@ -59,15 +59,19 @@ ARMSubtarget::ARMSubtarget(const Module &M, const std::string &FS,
if (Idx) {
unsigned SubVer = TT[Idx];
if (SubVer > '4' && SubVer <= '9') {
if (SubVer >= '7')
if (SubVer >= '7') {
ARMArchVersion = V7A;
else if (SubVer == '6')
} else if (SubVer == '6') {
ARMArchVersion = V6;
else if (SubVer == '5') {
if (Len >= Idx+3 && TT[Idx+1] == 't' && TT[Idx+2] == '2')
ARMArchVersion = V6T2;
} else if (SubVer == '5') {
ARMArchVersion = V5T;
if (Len >= Idx+3 && TT[Idx+1] == 't' && TT[Idx+2] == 'e')
ARMArchVersion = V5TE;
}
if (ARMArchVersion >= V6T2)
ThumbMode = Thumb2;
}
}