diff options
| author | Nick Lewycky <nicholas@mxc.ca> | 2011-06-21 22:45:41 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2011-06-21 22:45:41 +0000 |
| commit | 94d4c91bc5b2a84e6b93250599b6742777dbd35e (patch) | |
| tree | 9f63cd2a1e4a4a393210e0b540cea3499c6c5626 | |
| parent | 0c11218f0a38461a3d74c075ee3b76e511c7ccd0 (diff) | |
| download | external_llvm-94d4c91bc5b2a84e6b93250599b6742777dbd35e.tar.gz external_llvm-94d4c91bc5b2a84e6b93250599b6742777dbd35e.tar.bz2 external_llvm-94d4c91bc5b2a84e6b93250599b6742777dbd35e.zip | |
Add support for assembling "movq" when it's correct to do so, while continuing
to emit "movd" across the board to continue supporting a Darwin assembler bug.
This is the reincarnation of r133452.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133565 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 16 | ||||
| -rw-r--r-- | test/MC/X86/x86-64.s | 8 |
2 files changed, 24 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 7774057d3d..8377c3a0e6 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -2968,6 +2968,22 @@ def : Pat<(v4i32 (X86vzmovl (bc_v4i32 (loadv2i64 addr:$src)))), (MOVZDI2PDIrm addr:$src)>; } +// These are the correct encodings of the instructions so that we know how to +// read correct assembly, even though we continue to emit the wrong ones for +// compatibility with Darwin's buggy assembler. +def : InstAlias<"movq\t{$src, $dst|$dst, $src}", + (MOV64toPQIrr VR128:$dst, GR64:$src), 0>; +def : InstAlias<"movq\t{$src, $dst|$dst, $src}", + (MOV64toSDrr FR64:$dst, GR64:$src), 0>; +def : InstAlias<"movq\t{$src, $dst|$dst, $src}", + (MOVPQIto64rr GR64:$dst, VR128:$src), 0>; +def : InstAlias<"movq\t{$src, $dst|$dst, $src}", + (MOVSDto64rr GR64:$dst, FR64:$src), 0>; +def : InstAlias<"movq\t{$src, $dst|$dst, $src}", + (VMOVZQI2PQIrr VR128:$dst, GR64:$src), 0>; +def : InstAlias<"movq\t{$src, $dst|$dst, $src}", + (MOVZQI2PQIrr VR128:$dst, GR64:$src), 0>; + //===---------------------------------------------------------------------===// // SSE2 - Move Quadword //===---------------------------------------------------------------------===// diff --git a/test/MC/X86/x86-64.s b/test/MC/X86/x86-64.s index a36ba25a6e..472748f3b8 100644 --- a/test/MC/X86/x86-64.s +++ b/test/MC/X86/x86-64.s @@ -1128,3 +1128,11 @@ xsetbv // CHECK: xsetbv # encoding: [0x0f,0x01,0xd1] // CHECK: strq // CHECK: encoding: [0x48,0x0f,0x00,0xc8] str %rax + +// CHECK: movd %rdi, %xmm0 +// CHECK: encoding: [0x66,0x48,0x0f,0x6e,0xc7] + movq %rdi,%xmm0 + +// CHECK: movd %rdi, %xmm0 +// CHECK: encoding: [0x66,0x48,0x0f,0x6e,0xc7] + movd %rdi,%xmm0 |