diff options
| -rw-r--r-- | clang/lib/Basic/Targets/PPC.h | 3 | ||||
| -rw-r--r-- | clang/test/CodeGen/ppc64-inline-asm.c | 13 |
2 files changed, 15 insertions, 1 deletions
diff --git a/clang/lib/Basic/Targets/PPC.h b/clang/lib/Basic/Targets/PPC.h index 270aa7ff918..ef5c2264a0b 100644 --- a/clang/lib/Basic/Targets/PPC.h +++ b/clang/lib/Basic/Targets/PPC.h @@ -276,11 +276,12 @@ public: break; case 'Q': // Memory operand that is an offset from a register (it is // usually better to use `m' or `es' in asm statements) + Info.setAllowsRegister(); + LLVM_FALLTHROUGH; case 'Z': // Memory operand that is an indexed or indirect from a // register (it is usually better to use `m' or `es' in // asm statements) Info.setAllowsMemory(); - Info.setAllowsRegister(); break; case 'R': // AIX TOC entry case 'a': // Address operand that is an indexed or indirect from a diff --git a/clang/test/CodeGen/ppc64-inline-asm.c b/clang/test/CodeGen/ppc64-inline-asm.c index 3e958c328f9..0b32d0bf482 100644 --- a/clang/test/CodeGen/ppc64-inline-asm.c +++ b/clang/test/CodeGen/ppc64-inline-asm.c @@ -37,3 +37,16 @@ double test_fmax(double x, double y) { // CHECK-LABEL: double @test_fmax(double %x, double %y) // CHECK: call double asm "xsmaxdp ${0:x}, ${1:x}, ${2:x}", "=^ws,^ws,^ws"(double %x, double %y) } + +void testZ(void *addr) { + asm volatile ("dcbz %y0\n" :: "Z"(*(unsigned char *)addr) : "memory"); +// CHECK-LABEL: void @testZ(i8* %addr) +// CHECK: call void asm sideeffect "dcbz ${0:y}\0A", "*Z,~{memory}"(i8* %addr) +} + +void testZwOff(void *addr, long long off) { + asm volatile ("dcbz %y0\n" :: "Z"(*(unsigned char *)(addr + off)) : "memory"); +// CHECK-LABEL: void @testZwOff(i8* %addr, i64 %off) +// CHECK: %[[VAL:[^ ]+]] = getelementptr i8, i8* %addr, i64 %off +// CHECK: call void asm sideeffect "dcbz ${0:y}\0A", "*Z,~{memory}"(i8* %[[VAL]]) +} |
