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| author | Coby Tayree <coby.tayree@intel.com> | 2017-08-09 21:50:22 +0000 |
|---|---|---|
| committer | Coby Tayree <coby.tayree@intel.com> | 2017-08-09 21:50:22 +0000 |
| commit | 7d442fc6d41c812660459a05f5b78cb621611965 (patch) | |
| tree | 3d2d5ad3666bbf8636ad5575f0d90d9aebe29338 | |
| parent | 7683ca04eb3cefac4d23e4fc9593d98ab546c9c2 (diff) | |
| download | bcm5719-llvm-7d442fc6d41c812660459a05f5b78cb621611965.tar.gz bcm5719-llvm-7d442fc6d41c812660459a05f5b78cb621611965.zip | |
[X86][Asm] Allow negative immediate to appear before bracketed expression
Currently, only non-negative immediate is allowed prior to a brac expression (memory reference).
MASM / GAS does not have any problem cope with the left side of the real line, so we should be able to as well.
llvm: D36229
Differential Revision: https://reviews.llvm.org/D36230
llvm-svn: 310529
| -rw-r--r-- | clang/test/CodeGen/ms-inline-asm.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/clang/test/CodeGen/ms-inline-asm.c b/clang/test/CodeGen/ms-inline-asm.c index 9f6852fd477..0a65620b800 100644 --- a/clang/test/CodeGen/ms-inline-asm.c +++ b/clang/test/CodeGen/ms-inline-asm.c @@ -484,13 +484,13 @@ void t37() { __asm mov eax, (4 + 4) * 16 // CHECK: mov eax, $$128 __asm mov eax, 4 + 8 * -16 -// CHECK: mov eax, $$4294967172 +// CHECK: mov eax, $$-124 __asm mov eax, 4 + 16 / -8 // CHECK: mov eax, $$2 __asm mov eax, (16 + 16) / -8 -// CHECK: mov eax, $$4294967292 +// CHECK: mov eax, $$-4 __asm mov eax, ~15 -// CHECK: mov eax, $$4294967280 +// CHECK: mov eax, $$-16 __asm mov eax, 6 ^ 3 // CHECK: mov eax, $$5 // CHECK: "~{eax},~{dirflag},~{fpsr},~{flags}"() @@ -655,6 +655,12 @@ void t45() { // CHECK: call void asm sideeffect inteldialect "mov dr0, eax\0A\09mov dr1, ebx\0A\09mov dr2, ebx\0A\09mov dr3, ecx\0A\09mov dr6, edx\0A\09mov dr7, ecx", "~{dr0},~{dr1},~{dr2},~{dr3},~{dr6},~{dr7},~{dirflag},~{fpsr},~{flags}"() } +void t46() { + // CHECK-LABEL: define void @t46 + __asm add eax, -128[eax] + // CHECK: call void asm sideeffect inteldialect "add eax, $$-128[eax]", "~{eax},~{flags},~{dirflag},~{fpsr},~{flags}"() +} + void dot_operator(){ // CHECK-LABEL: define void @dot_operator __asm { mov eax, 3[ebx]A.b} |
