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Adding profile and version parsers to ARMTargetParser

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This allows us to match armv6m to default to thumb, but will also be used by
Clang's driver and remove the current incomplete copy in it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238036 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Renato Golin
2015-05-22 18:17:55 +00:00
parent 57cc146595
commit 84b1a805bb
4 changed files with 110 additions and 2 deletions
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70
lib/Support/TargetParser.cpp
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@@ -388,4 +388,74 @@ unsigned ARMTargetParser::parseArchEndian(StringRef Arch) {
return ARM::EK_INVALID;
}
// Profile A/R/M
unsigned ARMTargetParser::parseArchProfile(StringRef Arch) {
// FIXME: We're running parseArch twice.
Arch = getCanonicalArchName(Arch);
switch(parseArch(Arch)) {
case ARM::AK_ARMV6M:
case ARM::AK_ARMV7M:
case ARM::AK_ARMV6SM:
case ARM::AK_ARMV7EM:
return ARM::PK_M;
case ARM::AK_ARMV7R:
return ARM::PK_R;
case ARM::AK_ARMV7:
case ARM::AK_ARMV7A:
case ARM::AK_ARMV8A:
case ARM::AK_ARMV8_1A:
return ARM::PK_A;
}
return ARM::PK_INVALID;
}
// Version number 4 ~ 8 (ex. v7 = 7).
unsigned ARMTargetParser::parseArchVersion(StringRef Arch) {
// FIXME: We're running parseArch twice.
Arch = getCanonicalArchName(Arch);
switch(parseArch(Arch)) {
case ARM::AK_ARMV2:
case ARM::AK_ARMV2A:
return 2;
case ARM::AK_ARMV3:
case ARM::AK_ARMV3M:
return 3;
case ARM::AK_ARMV4:
case ARM::AK_ARMV4T:
return 4;
case ARM::AK_ARMV5:
case ARM::AK_ARMV5T:
case ARM::AK_ARMV5TE:
case ARM::AK_IWMMXT:
case ARM::AK_IWMMXT2:
case ARM::AK_XSCALE:
case ARM::AK_ARMV5E:
case ARM::AK_ARMV5TEJ:
return 5;
case ARM::AK_ARMV6:
case ARM::AK_ARMV6J:
case ARM::AK_ARMV6K:
case ARM::AK_ARMV6T2:
case ARM::AK_ARMV6Z:
case ARM::AK_ARMV6ZK:
case ARM::AK_ARMV6M:
case ARM::AK_ARMV6SM:
case ARM::AK_ARMV6HL:
return 6;
case ARM::AK_ARMV7:
case ARM::AK_ARMV7A:
case ARM::AK_ARMV7R:
case ARM::AK_ARMV7M:
case ARM::AK_ARMV7L:
case ARM::AK_ARMV7HL:
case ARM::AK_ARMV7S:
case ARM::AK_ARMV7EM:
return 7;
case ARM::AK_ARMV8A:
case ARM::AK_ARMV8_1A:
return 8;
}
return 0;
}
} // namespace llvm