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-Added API for retrieving the default FPU of a CPU from TargetParser.

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-Implemented as a table lookup.

Change-Id: Ibf7217f6bd2769e9c06835a5aede3d072dee6757
Phabricator: http://reviews.llvm.org/D11100

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242141 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexandros Lamprineas
2015-07-14 13:20:48 +00:00
parent 815d6131a4
commit 01199ab0c6
2 changed files with 97 additions and 83 deletions
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1
include/llvm/Support/TargetParser.h
View File

@@ -178,6 +178,7 @@ public:
static unsigned getFPUVersion(unsigned FPUKind); static unsigned getFPUVersion(unsigned FPUKind);
static unsigned getFPUNeonSupportLevel(unsigned FPUKind); static unsigned getFPUNeonSupportLevel(unsigned FPUKind);
static unsigned getFPURestriction(unsigned FPUKind); static unsigned getFPURestriction(unsigned FPUKind);
static unsigned getDefaultFPU(StringRef CPU);
// FIXME: This should be moved to TargetTuple once it exists // FIXME: This should be moved to TargetTuple once it exists
static bool getFPUFeatures(unsigned FPUKind, static bool getFPUFeatures(unsigned FPUKind,
std::vector<const char*> &Features); std::vector<const char*> &Features);

179
lib/Support/TargetParser.cpp
View File

@@ -138,93 +138,98 @@ struct {
struct { struct {
const char *Name; const char *Name;
ARM::ArchKind ArchID; ARM::ArchKind ArchID;
ARM::FPUKind DefaultFPU;
bool Default; bool Default;
} CPUNames[] = { } CPUNames[] = {
{ "arm2", ARM::AK_ARMV2, true }, { "arm2", ARM::AK_ARMV2, ARM::FK_NONE, true },
{ "arm3", ARM::AK_ARMV2A, true }, { "arm3", ARM::AK_ARMV2A, ARM::FK_NONE, true },
{ "arm6", ARM::AK_ARMV3, true }, { "arm6", ARM::AK_ARMV3, ARM::FK_NONE, true },
{ "arm7m", ARM::AK_ARMV3M, true }, { "arm7m", ARM::AK_ARMV3M, ARM::FK_NONE, true },
{ "arm8", ARM::AK_ARMV4, false }, { "arm8", ARM::AK_ARMV4, ARM::FK_NONE, false },
{ "arm810", ARM::AK_ARMV4, false }, { "arm810", ARM::AK_ARMV4, ARM::FK_NONE, false },
{ "strongarm", ARM::AK_ARMV4, true }, { "strongarm", ARM::AK_ARMV4, ARM::FK_NONE, true },
{ "strongarm110", ARM::AK_ARMV4, false }, { "strongarm110", ARM::AK_ARMV4, ARM::FK_NONE, false },
{ "strongarm1100", ARM::AK_ARMV4, false }, { "strongarm1100", ARM::AK_ARMV4, ARM::FK_NONE, false },
{ "strongarm1110", ARM::AK_ARMV4, false }, { "strongarm1110", ARM::AK_ARMV4, ARM::FK_NONE, false },
{ "arm7tdmi", ARM::AK_ARMV4T, true }, { "arm7tdmi", ARM::AK_ARMV4T, ARM::FK_NONE, true },
{ "arm7tdmi-s", ARM::AK_ARMV4T, false }, { "arm7tdmi-s", ARM::AK_ARMV4T, ARM::FK_NONE, false },
{ "arm710t", ARM::AK_ARMV4T, false }, { "arm710t", ARM::AK_ARMV4T, ARM::FK_NONE, false },
{ "arm720t", ARM::AK_ARMV4T, false }, { "arm720t", ARM::AK_ARMV4T, ARM::FK_NONE, false },
{ "arm9", ARM::AK_ARMV4T, false }, { "arm9", ARM::AK_ARMV4T, ARM::FK_NONE, false },
{ "arm9tdmi", ARM::AK_ARMV4T, false }, { "arm9tdmi", ARM::AK_ARMV4T, ARM::FK_NONE, false },
{ "arm920", ARM::AK_ARMV4T, false }, { "arm920", ARM::AK_ARMV4T, ARM::FK_NONE, false },
{ "arm920t", ARM::AK_ARMV4T, false }, { "arm920t", ARM::AK_ARMV4T, ARM::FK_NONE, false },
{ "arm922t", ARM::AK_ARMV4T, false }, { "arm922t", ARM::AK_ARMV4T, ARM::FK_NONE, false },
{ "arm9312", ARM::AK_ARMV4T, false }, { "arm9312", ARM::AK_ARMV4T, ARM::FK_NONE, false },
{ "arm940t", ARM::AK_ARMV4T, false }, { "arm940t", ARM::AK_ARMV4T, ARM::FK_NONE, false },
{ "ep9312", ARM::AK_ARMV4T, false }, { "ep9312", ARM::AK_ARMV4T, ARM::FK_NONE, false },
{ "arm10tdmi", ARM::AK_ARMV5T, true }, { "arm10tdmi", ARM::AK_ARMV5T, ARM::FK_NONE, true },
{ "arm1020t", ARM::AK_ARMV5T, false }, { "arm1020t", ARM::AK_ARMV5T, ARM::FK_NONE, false },
{ "arm9e", ARM::AK_ARMV5TE, false }, { "arm9e", ARM::AK_ARMV5TE, ARM::FK_NONE, false },
{ "arm946e-s", ARM::AK_ARMV5TE, false }, { "arm946e-s", ARM::AK_ARMV5TE, ARM::FK_NONE, false },
{ "arm966e-s", ARM::AK_ARMV5TE, false }, { "arm966e-s", ARM::AK_ARMV5TE, ARM::FK_NONE, false },
{ "arm968e-s", ARM::AK_ARMV5TE, false }, { "arm968e-s", ARM::AK_ARMV5TE, ARM::FK_NONE, false },
{ "arm10e", ARM::AK_ARMV5TE, false }, { "arm10e", ARM::AK_ARMV5TE, ARM::FK_NONE, false },
{ "arm1020e", ARM::AK_ARMV5TE, false }, { "arm1020e", ARM::AK_ARMV5TE, ARM::FK_NONE, false },
{ "arm1022e", ARM::AK_ARMV5TE, true }, { "arm1022e", ARM::AK_ARMV5TE, ARM::FK_NONE, true },
{ "iwmmxt", ARM::AK_ARMV5TE, false }, { "iwmmxt", ARM::AK_ARMV5TE, ARM::FK_NONE, false },
{ "xscale", ARM::AK_ARMV5TE, false }, { "xscale", ARM::AK_ARMV5TE, ARM::FK_NONE, false },
{ "arm926ej-s", ARM::AK_ARMV5TEJ, true }, { "arm926ej-s", ARM::AK_ARMV5TEJ, ARM::FK_NONE, true },
{ "arm1136jf-s", ARM::AK_ARMV6, true }, { "arm1136jf-s", ARM::AK_ARMV6, ARM::FK_VFPV2, true },
{ "arm1176j-s", ARM::AK_ARMV6K, false }, { "arm1176j-s", ARM::AK_ARMV6K, ARM::FK_NONE, false },
{ "arm1176jz-s", ARM::AK_ARMV6K, false }, { "arm1176jz-s", ARM::AK_ARMV6K, ARM::FK_NONE, false },
{ "mpcore", ARM::AK_ARMV6K, false }, { "mpcore", ARM::AK_ARMV6K, ARM::FK_VFPV2, false },
{ "mpcorenovfp", ARM::AK_ARMV6K, false }, { "mpcorenovfp", ARM::AK_ARMV6K, ARM::FK_NONE, false },
{ "arm1176jzf-s", ARM::AK_ARMV6K, true }, { "arm1176jzf-s", ARM::AK_ARMV6K, ARM::FK_VFPV2, true },
{ "arm1176jzf-s", ARM::AK_ARMV6Z, true }, { "arm1176jzf-s", ARM::AK_ARMV6Z, ARM::FK_VFPV2, true },
{ "arm1176jzf-s", ARM::AK_ARMV6ZK, true }, { "arm1176jzf-s", ARM::AK_ARMV6ZK, ARM::FK_VFPV2, true },
{ "arm1156t2-s", ARM::AK_ARMV6T2, true }, { "arm1156t2-s", ARM::AK_ARMV6T2, ARM::FK_NONE, true },
{ "arm1156t2f-s", ARM::AK_ARMV6T2, false }, { "arm1156t2f-s", ARM::AK_ARMV6T2, ARM::FK_VFPV2, false },
{ "cortex-m0", ARM::AK_ARMV6M, true }, { "cortex-m0", ARM::AK_ARMV6M, ARM::FK_NONE, true },
{ "cortex-m0plus", ARM::AK_ARMV6M, false }, { "cortex-m0plus", ARM::AK_ARMV6M, ARM::FK_NONE, false },
{ "cortex-m1", ARM::AK_ARMV6M, false }, { "cortex-m1", ARM::AK_ARMV6M, ARM::FK_NONE, false },
{ "sc000", ARM::AK_ARMV6M, false }, { "sc000", ARM::AK_ARMV6M, ARM::FK_NONE, false },
{ "cortex-a5", ARM::AK_ARMV7A, false }, { "cortex-a5", ARM::AK_ARMV7A, ARM::FK_NEON_VFPV4, false },
{ "cortex-a7", ARM::AK_ARMV7A, false }, { "cortex-a7", ARM::AK_ARMV7A, ARM::FK_NEON_VFPV4, false },
{ "cortex-a8", ARM::AK_ARMV7A, true }, { "cortex-a8", ARM::AK_ARMV7A, ARM::FK_NEON, true },
{ "cortex-a9", ARM::AK_ARMV7A, false }, { "cortex-a9", ARM::AK_ARMV7A, ARM::FK_NEON_FP16, false },
{ "cortex-a12", ARM::AK_ARMV7A, false }, { "cortex-a12", ARM::AK_ARMV7A, ARM::FK_NEON_VFPV4, false },
{ "cortex-a15", ARM::AK_ARMV7A, false }, { "cortex-a15", ARM::AK_ARMV7A, ARM::FK_NEON_VFPV4, false },
{ "cortex-a17", ARM::AK_ARMV7A, false }, { "cortex-a17", ARM::AK_ARMV7A, ARM::FK_NEON_VFPV4, false },
{ "krait", ARM::AK_ARMV7A, false }, { "krait", ARM::AK_ARMV7A, ARM::FK_NEON_VFPV4, false },
{ "cortex-r4", ARM::AK_ARMV7R, true }, { "cortex-r4", ARM::AK_ARMV7R, ARM::FK_NONE, true },
{ "cortex-r4f", ARM::AK_ARMV7R, false }, { "cortex-r4f", ARM::AK_ARMV7R, ARM::FK_VFPV3_D16, false },
{ "cortex-r5", ARM::AK_ARMV7R, false }, { "cortex-r5", ARM::AK_ARMV7R, ARM::FK_NONE, false },
{ "cortex-r7", ARM::AK_ARMV7R, false }, // FIXME cortex-r5f missing from ARM.td
{ "sc300", ARM::AK_ARMV7M, false }, { "cortex-r5f", ARM::AK_ARMV7R, ARM::FK_VFPV3_D16, false },
{ "cortex-m3", ARM::AK_ARMV7M, true }, { "cortex-r7", ARM::AK_ARMV7R, ARM::FK_VFPV3_D16_FP16, false },
{ "cortex-m4", ARM::AK_ARMV7EM, true }, { "sc300", ARM::AK_ARMV7M, ARM::FK_NONE, false },
{ "cortex-m7", ARM::AK_ARMV7EM, false }, { "cortex-m3", ARM::AK_ARMV7M, ARM::FK_NONE, true },
{ "cortex-a53", ARM::AK_ARMV8A, true }, { "cortex-m4", ARM::AK_ARMV7EM, ARM::FK_NONE, true },
{ "cortex-a57", ARM::AK_ARMV8A, false }, // FIXME cortex-m4f missing from ARM.td
{ "cortex-a72", ARM::AK_ARMV8A, false }, { "cortex-m4f", ARM::AK_ARMV7EM, ARM::FK_FPV4_SP_D16, false },
{ "cyclone", ARM::AK_ARMV8A, false }, { "cortex-m7", ARM::AK_ARMV7EM, ARM::FK_FPV5_D16, false },
{ "generic", ARM::AK_ARMV8_1A, true }, { "cortex-a53", ARM::AK_ARMV8A, ARM::FK_CRYPTO_NEON_FP_ARMV8, true },
{ "cortex-a57", ARM::AK_ARMV8A, ARM::FK_CRYPTO_NEON_FP_ARMV8, false },
{ "cortex-a72", ARM::AK_ARMV8A, ARM::FK_CRYPTO_NEON_FP_ARMV8, false },
{ "cyclone", ARM::AK_ARMV8A, ARM::FK_CRYPTO_NEON_FP_ARMV8, false },
{ "generic", ARM::AK_ARMV8_1A, ARM::FK_NEON_FP_ARMV8, true },
// Non-standard Arch names. // Non-standard Arch names.
{ "iwmmxt", ARM::AK_IWMMXT, true }, { "iwmmxt", ARM::AK_IWMMXT, ARM::FK_NONE, true },
{ "xscale", ARM::AK_XSCALE, true }, { "xscale", ARM::AK_XSCALE, ARM::FK_NONE, true },
{ "arm10tdmi", ARM::AK_ARMV5, true }, { "arm10tdmi", ARM::AK_ARMV5, ARM::FK_NONE, true },
{ "arm1022e", ARM::AK_ARMV5E, true }, { "arm1022e", ARM::AK_ARMV5E, ARM::FK_NONE, true },
{ "arm1136j-s", ARM::AK_ARMV6J, true }, { "arm1136j-s", ARM::AK_ARMV6J, ARM::FK_NONE, true },
{ "arm1136jz-s", ARM::AK_ARMV6J, false }, { "arm1136jz-s", ARM::AK_ARMV6J, ARM::FK_NONE, false },
{ "cortex-m0", ARM::AK_ARMV6SM, true }, { "cortex-m0", ARM::AK_ARMV6SM, ARM::FK_NONE, true },
{ "arm1176jzf-s", ARM::AK_ARMV6HL, true }, { "arm1176jzf-s", ARM::AK_ARMV6HL, ARM::FK_VFPV2, true },
{ "cortex-a8", ARM::AK_ARMV7, true }, { "cortex-a8", ARM::AK_ARMV7, ARM::FK_NEON, true },
{ "cortex-a8", ARM::AK_ARMV7L, true }, { "cortex-a8", ARM::AK_ARMV7L, ARM::FK_NEON, true },
{ "cortex-a8", ARM::AK_ARMV7HL, true }, { "cortex-a8", ARM::AK_ARMV7HL, ARM::FK_NEON, true },
{ "cortex-m4", ARM::AK_ARMV7EM, true }, { "cortex-m4", ARM::AK_ARMV7EM, ARM::FK_NONE, true },
{ "swift", ARM::AK_ARMV7S, true }, { "swift", ARM::AK_ARMV7S, ARM::FK_NEON_VFPV4, true },
// Invalid CPU // Invalid CPU
{ "invalid", ARM::AK_INVALID, true } { "invalid", ARM::AK_INVALID, ARM::FK_INVALID, true }
}; };
} // namespace } // namespace
@@ -257,6 +262,14 @@ unsigned ARMTargetParser::getFPURestriction(unsigned FPUKind) {
return FPUNames[FPUKind].Restriction; return FPUNames[FPUKind].Restriction;
} }
unsigned ARMTargetParser::getDefaultFPU(StringRef CPU) {
for (const auto C : CPUNames) {
if (CPU == C.Name)
return C.DefaultFPU;
}
return ARM::FK_INVALID;
}
bool ARMTargetParser::getFPUFeatures(unsigned FPUKind, bool ARMTargetParser::getFPUFeatures(unsigned FPUKind,
std::vector<const char *> &Features) { std::vector<const char *> &Features) {