041fda63ac
Tabulate the Intel opcode representations and implement an OP() function which computes the encoding bits. Implement the single-byte opcode with a reg-reg ModR/M byte.
24 lines
568 B
Plaintext
24 lines
568 B
Plaintext
; binary emission of 32-bit code.
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test binemit
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isa intel
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; The binary encodings can be verified with the command:
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;
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; sed -ne 's/^ *; asm: *//p' filetests/isa/intel/binary32.cton | llvm-mc -show-encoding -triple=i386
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;
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function I32() {
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ebb0:
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[-,%rcx] v1 = iconst.i32 1
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[-,%rsi] v2 = iconst.i32 2
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; Integer Register-Register Operations.
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; asm: addl %esi, %ecx
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[-,%rcx] v10 = iadd v1, v2 ; bin: 01 f1
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; asm: addl %ecx, %esi
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[-,%rsi] v11 = iadd v2, v1 ; bin: 01 ce
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return
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}
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