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| author | Chris Lattner <sabre@nondot.org> | 2010-11-01 05:34:34 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-11-01 05:34:34 +0000 |
| commit | b501d4f673c0db267a76800339f9943f2ce6fe33 (patch) | |
| tree | c835a0e3af765525abdaed5808a87ffd40080f56 /test/MC/X86 | |
| parent | b8d14a6611276181f9fd0d9b2a1243150e4a5739 (diff) | |
| download | external_llvm-b501d4f673c0db267a76800339f9943f2ce6fe33.zip external_llvm-b501d4f673c0db267a76800339f9943f2ce6fe33.tar.gz external_llvm-b501d4f673c0db267a76800339f9943f2ce6fe33.tar.bz2 | |
Implement enough of the missing instalias support to get
aliases installed and working. They now work when the
matched pattern and the result instruction have exactly
the same operand list.
This is now enough for us to define proper aliases for
movzx and movsx, implementing rdar://8017633 and PR7459.
Note that we do not accept instructions like:
movzx 0(%rsp), %rsi
GAS accepts this instruction, but it doesn't make any
sense because we don't know the size of the memory
operand. It could be 8/16/32 bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117901 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/MC/X86')
| -rw-r--r-- | test/MC/X86/x86-64.s | 48 |
1 files changed, 45 insertions, 3 deletions
diff --git a/test/MC/X86/x86-64.s b/test/MC/X86/x86-64.s index a115b34..5cc0844 100644 --- a/test/MC/X86/x86-64.s +++ b/test/MC/X86/x86-64.s @@ -648,9 +648,51 @@ btq $0x01,%rdx // CHECK: encoding: [0x48,0x0f,0xb6,0xf0] movzx %al, %rsi -// CHECK: movzbq (%rsp), %rsi -// CHECK: encoding: [0x48,0x0f,0xb6,0x34,0x24] - movzx 0(%rsp), %rsi +// CHECK: movsbw %al, %ax +// CHECK: encoding: [0x66,0x0f,0xbe,0xc0] +movsx %al, %ax + +// CHECK: movsbl %al, %eax +// CHECK: encoding: [0x0f,0xbe,0xc0] +movsx %al, %eax + +// CHECK: movswl %ax, %eax +// CHECK: encoding: [0x0f,0xbf,0xc0] +movsx %ax, %eax + +// CHECK: movsbq %bl, %rax +// CHECK: encoding: [0x48,0x0f,0xbe,0xc3] +movsx %bl, %rax + +// CHECK: movswq %cx, %rax +// CHECK: encoding: [0x48,0x0f,0xbf,0xc1] +movsx %cx, %rax + +// CHECK: movslq %edi, %rax +// CHECK: encoding: [0x48,0x63,0xc7] +movsx %edi, %rax + +// CHECK: movzbw %al, %ax +// CHECK: encoding: [0x66,0x0f,0xb6,0xc0] +movzx %al, %ax + +// CHECK: movzbl %al, %eax +// CHECK: encoding: [0x0f,0xb6,0xc0] +movzx %al, %eax + +// CHECK: movzwl %ax, %eax +// CHECK: encoding: [0x0f,0xb7,0xc0] +movzx %ax, %eax + +// CHECK: movzbq %bl, %rax +// CHECK: encoding: [0x48,0x0f,0xb6,0xc3] +movzx %bl, %rax + +// CHECK: movzwq %cx, %rax +// CHECK: encoding: [0x48,0x0f,0xb7,0xc1] +movzx %cx, %rax + + // rdar://7873482 |