SixWeining updated this revision to Diff 521541.
SixWeining added a comment.
Only allow non-prefixed names for GPRs.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D136436/new/
https://reviews.llvm.org/D136436
Files:
clang/lib/Basic/Targets/LoongArch.cpp
clang/test/CodeGen/LoongArch/inline-asm-gcc-regs-error.c
clang/test/CodeGen/LoongArch/inline-asm-gcc-regs.c
Index: clang/test/CodeGen/LoongArch/inline-asm-gcc-regs.c
===================================================================
--- clang/test/CodeGen/LoongArch/inline-asm-gcc-regs.c
+++ clang/test/CodeGen/LoongArch/inline-asm-gcc-regs.c
@@ -7,56 +7,72 @@
// CHECK: call void asm sideeffect "", "{$r0}"(i32 undef)
void test_r0() {
register int a asm ("$r0");
+ register int b asm ("r0");
asm ("" :: "r" (a));
+ asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_r12
// CHECK: call void asm sideeffect "", "{$r12}"(i32 undef)
void test_r12() {
register int a asm ("$r12");
+ register int b asm ("r12");
asm ("" :: "r" (a));
+ asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_r31
// CHECK: call void asm sideeffect "", "{$r31}"(i32 undef)
void test_r31() {
register int a asm ("$r31");
+ register int b asm ("r31");
asm ("" :: "r" (a));
+ asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_zero
// CHECK: call void asm sideeffect "", "{$r0}"(i32 undef)
void test_zero() {
register int a asm ("$zero");
+ register int b asm ("zero");
asm ("" :: "r" (a));
+ asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_a0
// CHECK: call void asm sideeffect "", "{$r4}"(i32 undef)
void test_a0() {
register int a asm ("$a0");
+ register int b asm ("a0");
asm ("" :: "r" (a));
+ asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_t1
// CHECK: call void asm sideeffect "", "{$r13}"(i32 undef)
void test_t1() {
register int a asm ("$t1");
+ register int b asm ("t1");
asm ("" :: "r" (a));
+ asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_fp
// CHECK: call void asm sideeffect "", "{$r22}"(i32 undef)
void test_fp() {
register int a asm ("$fp");
+ register int b asm ("fp");
asm ("" :: "r" (a));
+ asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_s2
// CHECK: call void asm sideeffect "", "{$r25}"(i32 undef)
void test_s2() {
register int a asm ("$s2");
+ register int b asm ("s2");
asm ("" :: "r" (a));
+ asm ("" :: "r" (b));
}
// CHECK-LABEL: @test_f0
Index: clang/test/CodeGen/LoongArch/inline-asm-gcc-regs-error.c
===================================================================
--- clang/test/CodeGen/LoongArch/inline-asm-gcc-regs-error.c
+++ clang/test/CodeGen/LoongArch/inline-asm-gcc-regs-error.c
@@ -11,10 +11,6 @@
/// Names not prefixed with '$' are invalid.
-// CHECK: :[[#@LINE+1]]:24: error: unknown register name 'r4' in asm
- register int a3 asm ("r4");
-// CHECK: :[[#@LINE+1]]:24: error: unknown register name 'a0' in asm
- register int a4 asm ("a0");
// CHECK: :[[#@LINE+1]]:26: error: unknown register name 'f0' in asm
register float a5 asm ("f0");
// CHECK: :[[#@LINE+1]]:26: error: unknown register name 'fa0' in asm
Index: clang/lib/Basic/Targets/LoongArch.cpp
===================================================================
--- clang/lib/Basic/Targets/LoongArch.cpp
+++ clang/lib/Basic/Targets/LoongArch.cpp
@@ -40,27 +40,70 @@
ArrayRef<TargetInfo::GCCRegAlias>
LoongArchTargetInfo::getGCCRegAliases() const {
static const TargetInfo::GCCRegAlias GCCRegAliases[] = {
- {{"$zero"}, "$r0"}, {{"$ra"}, "$r1"}, {{"$tp"}, "$r2"},
- {{"$sp"}, "$r3"}, {{"$a0"}, "$r4"}, {{"$a1"}, "$r5"},
- {{"$a2"}, "$r6"}, {{"$a3"}, "$r7"}, {{"$a4"}, "$r8"},
- {{"$a5"}, "$r9"}, {{"$a6"}, "$r10"}, {{"$a7"}, "$r11"},
- {{"$t0"}, "$r12"}, {{"$t1"}, "$r13"}, {{"$t2"}, "$r14"},
- {{"$t3"}, "$r15"}, {{"$t4"}, "$r16"}, {{"$t5"}, "$r17"},
- {{"$t6"}, "$r18"}, {{"$t7"}, "$r19"}, {{"$t8"}, "$r20"},
- {{"$fp", "$s9"}, "$r22"}, {{"$s0"}, "$r23"}, {{"$s1"}, "$r24"},
- {{"$s2"}, "$r25"}, {{"$s3"}, "$r26"}, {{"$s4"}, "$r27"},
- {{"$s5"}, "$r28"}, {{"$s6"}, "$r29"}, {{"$s7"}, "$r30"},
- {{"$s8"}, "$r31"}, {{"$fa0"}, "$f0"}, {{"$fa1"}, "$f1"},
- {{"$fa2"}, "$f2"}, {{"$fa3"}, "$f3"}, {{"$fa4"}, "$f4"},
- {{"$fa5"}, "$f5"}, {{"$fa6"}, "$f6"}, {{"$fa7"}, "$f7"},
- {{"$ft0"}, "$f8"}, {{"$ft1"}, "$f9"}, {{"$ft2"}, "$f10"},
- {{"$ft3"}, "$f11"}, {{"$ft4"}, "$f12"}, {{"$ft5"}, "$f13"},
- {{"$ft6"}, "$f14"}, {{"$ft7"}, "$f15"}, {{"$ft8"}, "$f16"},
- {{"$ft9"}, "$f17"}, {{"$ft10"}, "$f18"}, {{"$ft11"}, "$f19"},
- {{"$ft12"}, "$f20"}, {{"$ft13"}, "$f21"}, {{"$ft14"}, "$f22"},
- {{"$ft15"}, "$f23"}, {{"$fs0"}, "$f24"}, {{"$fs1"}, "$f25"},
- {{"$fs2"}, "$f26"}, {{"$fs3"}, "$f27"}, {{"$fs4"}, "$f28"},
- {{"$fs5"}, "$f29"}, {{"$fs6"}, "$f30"}, {{"$fs7"}, "$f31"},
+ {{"zero", "$zero", "r0"}, "$r0"},
+ {{"ra", "$ra", "r1"}, "$r1"},
+ {{"tp", "$tp", "r2"}, "$r2"},
+ {{"sp", "$sp", "r3"}, "$r3"},
+ {{"a0", "$a0", "r4"}, "$r4"},
+ {{"a1", "$a1", "r5"}, "$r5"},
+ {{"a2", "$a2", "r6"}, "$r6"},
+ {{"a3", "$a3", "r7"}, "$r7"},
+ {{"a4", "$a4", "r8"}, "$r8"},
+ {{"a5", "$a5", "r9"}, "$r9"},
+ {{"a6", "$a6", "r10"}, "$r10"},
+ {{"a7", "$a7", "r11"}, "$r11"},
+ {{"t0", "$t0", "r12"}, "$r12"},
+ {{"t1", "$t1", "r13"}, "$r13"},
+ {{"t2", "$t2", "r14"}, "$r14"},
+ {{"t3", "$t3", "r15"}, "$r15"},
+ {{"t4", "$t4", "r16"}, "$r16"},
+ {{"t5", "$t5", "r17"}, "$r17"},
+ {{"t6", "$t6", "r18"}, "$r18"},
+ {{"t7", "$t7", "r19"}, "$r19"},
+ {{"t8", "$t8", "r20"}, "$r20"},
+ {{"r21"}, "$r21"},
+ {{"s9", "$s9", "r22", "fp", "$fp"}, "$r22"},
+ {{"s0", "$s0", "r23"}, "$r23"},
+ {{"s1", "$s1", "r24"}, "$r24"},
+ {{"s2", "$s2", "r25"}, "$r25"},
+ {{"s3", "$s3", "r26"}, "$r26"},
+ {{"s4", "$s4", "r27"}, "$r27"},
+ {{"s5", "$s5", "r28"}, "$r28"},
+ {{"s6", "$s6", "r29"}, "$r29"},
+ {{"s7", "$s7", "r30"}, "$r30"},
+ {{"s8", "$s8", "r31"}, "$r31"},
+ {{"$fa0"}, "$f0"},
+ {{"$fa1"}, "$f1"},
+ {{"$fa2"}, "$f2"},
+ {{"$fa3"}, "$f3"},
+ {{"$fa4"}, "$f4"},
+ {{"$fa5"}, "$f5"},
+ {{"$fa6"}, "$f6"},
+ {{"$fa7"}, "$f7"},
+ {{"$ft0"}, "$f8"},
+ {{"$ft1"}, "$f9"},
+ {{"$ft2"}, "$f10"},
+ {{"$ft3"}, "$f11"},
+ {{"$ft4"}, "$f12"},
+ {{"$ft5"}, "$f13"},
+ {{"$ft6"}, "$f14"},
+ {{"$ft7"}, "$f15"},
+ {{"$ft8"}, "$f16"},
+ {{"$ft9"}, "$f17"},
+ {{"$ft10"}, "$f18"},
+ {{"$ft11"}, "$f19"},
+ {{"$ft12"}, "$f20"},
+ {{"$ft13"}, "$f21"},
+ {{"$ft14"}, "$f22"},
+ {{"$ft15"}, "$f23"},
+ {{"$fs0"}, "$f24"},
+ {{"$fs1"}, "$f25"},
+ {{"$fs2"}, "$f26"},
+ {{"$fs3"}, "$f27"},
+ {{"$fs4"}, "$f28"},
+ {{"$fs5"}, "$f29"},
+ {{"$fs6"}, "$f30"},
+ {{"$fs7"}, "$f31"},
};
return llvm::ArrayRef(GCCRegAliases);
}
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
