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[X86][CFE] Support EGPR in GCCRegNames. #91323

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May 8, 2024
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[X86][CFE] Support EGPR in GCCRegNames. #91323

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3bab806
[X86][CFE] Support EGPR in inline assembly.
FreddyLeaf May 7, 2024
f3b3636
revert refactor
FreddyLeaf May 7, 2024
733c93c
clang-format
FreddyLeaf May 7, 2024
22a1795
Address comments.
FreddyLeaf May 8, 2024
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address comment
FreddyLeaf May 8, 2024
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@FreddyLeaf
FreddyLeaf committed May 8, 2024
commit 22a17952999aa2b10b8a71c71f7607e37290b973
51 changes: 2 additions & 49 deletions clang/lib/Basic/Targets/X86.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -64,32 +64,8 @@ static const char *const GCCRegNames[] = {
"dr0", "dr1", "dr2", "dr3", "dr6", "dr7",
"bnd0", "bnd1", "bnd2", "bnd3",
"tmm0", "tmm1", "tmm2", "tmm3", "tmm4", "tmm5", "tmm6", "tmm7",
};

static const char *const ExtendedGCCRegNames[] = {
"ax", "dx", "cx", "bx", "si", "di", "bp", "sp",
"st", "st(1)", "st(2)", "st(3)", "st(4)", "st(5)", "st(6)", "st(7)",
"argp", "flags", "fpcr", "fpsr", "dirflag", "frame", "xmm0", "xmm1",
"xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7", "mm0", "mm1",
"mm2", "mm3", "mm4", "mm5", "mm6", "mm7", "r8", "r9",
"r10", "r11", "r12", "r13", "r14", "r15", "xmm8", "xmm9",
"xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15", "ymm0", "ymm1",
"ymm2", "ymm3", "ymm4", "ymm5", "ymm6", "ymm7", "ymm8", "ymm9",
"ymm10", "ymm11", "ymm12", "ymm13", "ymm14", "ymm15", "xmm16", "xmm17",
"xmm18", "xmm19", "xmm20", "xmm21", "xmm22", "xmm23", "xmm24", "xmm25",
"xmm26", "xmm27", "xmm28", "xmm29", "xmm30", "xmm31", "ymm16", "ymm17",
"ymm18", "ymm19", "ymm20", "ymm21", "ymm22", "ymm23", "ymm24", "ymm25",
"ymm26", "ymm27", "ymm28", "ymm29", "ymm30", "ymm31", "zmm0", "zmm1",
"zmm2", "zmm3", "zmm4", "zmm5", "zmm6", "zmm7", "zmm8", "zmm9",
"zmm10", "zmm11", "zmm12", "zmm13", "zmm14", "zmm15", "zmm16", "zmm17",
"zmm18", "zmm19", "zmm20", "zmm21", "zmm22", "zmm23", "zmm24", "zmm25",
"zmm26", "zmm27", "zmm28", "zmm29", "zmm30", "zmm31", "k0", "k1",
"k2", "k3", "k4", "k5", "k6", "k7", "cr0", "cr2",
"cr3", "cr4", "cr8", "dr0", "dr1", "dr2", "dr3", "dr6",
"dr7", "bnd0", "bnd1", "bnd2", "bnd3", "tmm0", "tmm1", "tmm2",
"tmm3", "tmm4", "tmm5", "tmm6", "tmm7", "r16", "r17", "r18",
"r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26",
"r27", "r28", "r29", "r30", "r31",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
};

const TargetInfo::AddlRegName AddlRegNames[] = {
Expand All @@ -109,25 +85,6 @@ const TargetInfo::AddlRegName AddlRegNames[] = {
{{"r13d", "r13w", "r13b"}, 43},
{{"r14d", "r14w", "r14b"}, 44},
{{"r15d", "r15w", "r15b"}, 45},
};

const TargetInfo::AddlRegName ExtendedAddlRegNames[] = {
{{"al", "ah", "eax", "rax"}, 0},
{{"bl", "bh", "ebx", "rbx"}, 3},
{{"cl", "ch", "ecx", "rcx"}, 2},
{{"dl", "dh", "edx", "rdx"}, 1},
{{"esi", "rsi"}, 4},
{{"edi", "rdi"}, 5},
{{"esp", "rsp"}, 7},
{{"ebp", "rbp"}, 6},
{{"r8d", "r8w", "r8b"}, 38},
{{"r9d", "r9w", "r9b"}, 39},
{{"r10d", "r10w", "r10b"}, 40},
{{"r11d", "r11w", "r11b"}, 41},
{{"r12d", "r12w", "r12b"}, 42},
{{"r13d", "r13w", "r13b"}, 43},
{{"r14d", "r14w", "r14b"}, 44},
{{"r15d", "r15w", "r15b"}, 45},
{{"r16d", "r16w", "r16b"}, 165},
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{{"r17d", "r17w", "r17b"}, 166},
{{"r18d", "r18w", "r18b"}, 167},
Expand Down Expand Up @@ -1823,14 +1780,10 @@ void X86TargetInfo::fillValidTuneCPUList(SmallVectorImpl<StringRef> &Values) con
}

ArrayRef<const char *> X86TargetInfo::getGCCRegNames() const {
if (HasEGPR)
return llvm::ArrayRef(ExtendedGCCRegNames);
return llvm::ArrayRef(GCCRegNames);
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}

ArrayRef<TargetInfo::AddlRegName> X86TargetInfo::getGCCAddlRegNames() const {
if (HasEGPR)
return llvm::ArrayRef(ExtendedAddlRegNames);
return llvm::ArrayRef(AddlRegNames);
}

Expand Down
3 changes: 0 additions & 3 deletions clang/test/CodeGen/X86/register_asm.c
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Original file line number Diff line number Diff line change
@@ -1,10 +1,7 @@
// RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -o /dev/null
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +egpr %s -o /dev/null

int foo(void) {
register int a __asm__("ebx");
#ifdef __EGPR__
register int b __asm__("r16");
#endif // __EGPR__
return a;
}
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