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ARM target now also recognize triplets like thumbv6-apple-darwin and set thumb mode and arch subversion. Eventually thumb triplets will go way and replaced with function notes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66435 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-03-09 20:25:39 +00:00
parent 66b8bc3289
commit 8c6b991635
2 changed files with 24 additions and 14 deletions
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31
lib/Target/ARM/ARMSubtarget.cpp
View File

@ -36,23 +36,30 @@ ARMSubtarget::ARMSubtarget(const Module &M, const std::string &FS, bool thumb)
// if one cannot be determined, to true.
const std::string& TT = M.getTargetTriple();
unsigned Len = TT.length();
if (Len >= 5) {
if (TT.substr(0, 4) == "armv") {
unsigned SubVer = TT[4];
if (SubVer > '4' && SubVer <= '9') {
if (SubVer >= '6')
ARMArchVersion = V6;
else if (SubVer == '5') {
ARMArchVersion = V5T;
if (Len >= 7 && TT[5] == 't' && TT[6] == 'e')
ARMArchVersion = V5TE;
}
unsigned Idx = 0;
if (Len >= 5 && TT.substr(0, 4) == "armv")
Idx = 4;
else if (Len >= 6 && TT.substr(0, 6) == "thumb") {
IsThumb = true;
if (Len >= 7 && TT[5] == 'v')
Idx = 6;
}
if (Idx) {
unsigned SubVer = TT[Idx];
if (SubVer > '4' && SubVer <= '9') {
if (SubVer >= '6')
ARMArchVersion = V6;
else if (SubVer == '5') {
ARMArchVersion = V5T;
if (Len >= Idx+3 && TT[Idx+1] == 't' && TT[Idx+2] == 'e')
ARMArchVersion = V5TE;
}
}
}
if (Len > 5) {
if (Len >= 10) {
if (TT.find("-darwin") != std::string::npos)
// arm-darwin
TargetType = isDarwin;
} else if (TT.empty()) {
#if defined(__APPLE__)

7
lib/Target/ARM/ARMTargetMachine.cpp
View File

@ -53,7 +53,9 @@ unsigned ThumbTargetMachine::getJITMatchQuality() {
unsigned ThumbTargetMachine::getModuleMatchQuality(const Module &M) {
std::string TT = M.getTargetTriple();
if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "thumb-")
// Match thumb-foo-bar, as well as things like thumbv5blah-*
if (TT.size() >= 6 &&
(TT.substr(0, 6) == "thumb-" || TT.substr(0, 6) == "thumbv"))
return 20;
// If the target triple is something non-thumb, we don't match.
@ -105,7 +107,8 @@ unsigned ARMTargetMachine::getJITMatchQuality() {
unsigned ARMTargetMachine::getModuleMatchQuality(const Module &M) {
std::string TT = M.getTargetTriple();
if (TT.size() >= 4 && // Match arm-foo-bar, as well as things like armv5blah-*
// Match arm-foo-bar, as well as things like armv5blah-*
if (TT.size() >= 4 &&
(TT.substr(0, 4) == "arm-" || TT.substr(0, 4) == "armv"))
return 20;
// If the target triple is something non-arm, we don't match.