344708c2a3
MASM allows no-op casts on register operands; for example, `DWORD PTR eax` is a legal expression. Any other cast is an error. Fixes #132084
42 lines
1.4 KiB
NASM
42 lines
1.4 KiB
NASM
; RUN: not llvm-ml -m64 -filetype=s %s /Fo /dev/null 2>&1 | FileCheck %s
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.code
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mov word ptr al, ax
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; CHECK: [[#@LINE-1]]:14: error: 8-bit register 'AL' cannot be used as a 16-bit WORD
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mov dword ptr al, eax
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; CHECK: [[#@LINE-1]]:15: error: 8-bit register 'AL' cannot be used as a 32-bit DWORD
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mov qword ptr al, rax
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; CHECK: [[#@LINE-1]]:15: error: 8-bit register 'AL' cannot be used as a 64-bit QWORD
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mov byte ptr ax, al
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; CHECK: [[#@LINE-1]]:14: error: 16-bit register 'AX' cannot be used as a 8-bit BYTE
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mov dword ptr ax, eax
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; CHECK: [[#@LINE-1]]:15: error: 16-bit register 'AX' cannot be used as a 32-bit DWORD
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mov qword ptr ax, rax
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; CHECK: [[#@LINE-1]]:15: error: 16-bit register 'AX' cannot be used as a 64-bit QWORD
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mov byte ptr eax, al
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; CHECK: [[#@LINE-1]]:14: error: 32-bit register 'EAX' cannot be used as a 8-bit BYTE
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mov word ptr eax, ax
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; CHECK: [[#@LINE-1]]:14: error: 32-bit register 'EAX' cannot be used as a 16-bit WORD
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mov qword ptr eax, rax
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; CHECK: [[#@LINE-1]]:15: error: 32-bit register 'EAX' cannot be used as a 64-bit QWORD
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mov byte ptr rax, al
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; CHECK: [[#@LINE-1]]:14: error: 64-bit register 'RAX' cannot be used as a 8-bit BYTE
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mov word ptr rax, ax
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; CHECK: [[#@LINE-1]]:14: error: 64-bit register 'RAX' cannot be used as a 16-bit WORD
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mov dword ptr rax, eax
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; CHECK: [[#@LINE-1]]:15: error: 64-bit register 'RAX' cannot be used as a 32-bit DWORD
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END
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