mmxsize.asm
来自「汇编编译器的最新版本的源码.买了自己动手写操作系统这本书的人一定要下」· 汇编 代码 · 共 39 行
ASM
39 行
;Testname=unoptimized; Arguments=-fbin -ommxsize.bin -O0; Files=stdout stderr mmxsize.bin
;Testname=optimized; Arguments=-fbin -ommxsize.bin -Ox; Files=stdout stderr mmxsize.bin
bits 32
movd mm0,eax
movd mm0,[foo]
movq mm0,[foo]
movd mm0,dword [foo]
movq mm0,qword [foo]
movmskps eax,xmm1
movmskpd eax,xmm1
nop
movd xmm0,eax
movd xmm0,[foo]
movq xmm0,[foo]
movd xmm0,dword [foo]
movq xmm0,qword [foo]
nop
bits 64
movd mm0,eax
movq mm0,[foo]
movd mm0,dword [foo]
movq mm0,qword [foo]
movq mm0,rax
movmskps eax,xmm1
movmskpd eax,xmm1
nop
movd xmm0,eax
movq xmm0,[foo]
movd xmm0,dword [foo]
movq xmm0,qword [foo]
movq xmm0,rax
movmskps rax,xmm1
movmskpd rax,xmm1
nop
section .bss
foo resq 1
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