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head/sys/amd64/amd64/support.S
| Show First 20 Lines • Show All 509 Lines • ▼ Show 20 Lines | 1001: | ||||
| movb %r10b,(%rdi) | movb %r10b,(%rdi) | ||||
| 1000: | 1000: | ||||
| POP_FRAME_POINTER | POP_FRAME_POINTER | ||||
| ret | ret | ||||
| ALIGN_TEXT | ALIGN_TEXT | ||||
| 1256: | 1256: | ||||
| movq %rdi,%r9 | movq %rdi,%r9 | ||||
| movq %r10,%rax | movq %r10,%rax | ||||
| testl $15,%edi | |||||
| jnz 3f | |||||
| 1: | |||||
| .if \erms == 1 | .if \erms == 1 | ||||
| rep | rep | ||||
| stosb | stosb | ||||
| movq %r9,%rax | movq %r9,%rax | ||||
| .else | .else | ||||
| movq %rcx,%rdx | |||||
| shrq $3,%rcx | shrq $3,%rcx | ||||
| rep | rep | ||||
| stosq | stosq | ||||
| movq %r9,%rax | movq %r9,%rax | ||||
| andl $7,%edx | andl $7,%edx | ||||
| jnz 1f | jnz 2f | ||||
| POP_FRAME_POINTER | POP_FRAME_POINTER | ||||
| ret | ret | ||||
| 1: | 2: | ||||
| movq %r10,-8(%rdi,%rdx) | movq %r10,-8(%rdi,%rdx) | ||||
| .endif | .endif | ||||
| POP_FRAME_POINTER | POP_FRAME_POINTER | ||||
| ret | ret | ||||
| ALIGN_TEXT | |||||
| 3: | |||||
| movq %r10,(%rdi) | |||||
| movq %r10,8(%rdi) | |||||
| movq %rdi,%r8 | |||||
| andq $15,%r8 | |||||
| leaq -16(%rcx,%r8),%rcx | |||||
| neg %r8 | |||||
| leaq 16(%rdi,%r8),%rdi | |||||
| jmp 1b | |||||
| .endm | .endm | ||||
| ENTRY(memset_std) | ENTRY(memset_std) | ||||
| MEMSET erms=0 | MEMSET erms=0 | ||||
| END(memset_std) | END(memset_std) | ||||
| ENTRY(memset_erms) | ENTRY(memset_erms) | ||||
| MEMSET erms=1 | MEMSET erms=1 | ||||
| ▲ Show 20 Lines • Show All 1,027 Lines • Show Last 20 Lines | |||||