diff options
Diffstat (limited to 'sys/cddl/contrib/opensolaris/common/atomic/amd64/atomic.S')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/common/atomic/amd64/atomic.S | 116 |
1 files changed, 58 insertions, 58 deletions
diff --git a/sys/cddl/contrib/opensolaris/common/atomic/amd64/atomic.S b/sys/cddl/contrib/opensolaris/common/atomic/amd64/atomic.S index 1c34b53..6a8ccb4 100644 --- a/sys/cddl/contrib/opensolaris/common/atomic/amd64/atomic.S +++ b/sys/cddl/contrib/opensolaris/common/atomic/amd64/atomic.S @@ -78,52 +78,52 @@ ENTRY(atomic_inc_8_nv) ALTENTRY(atomic_inc_uchar_nv) - movb (%rdi), %al + movb (%rdi), %al // %al = old value 1: - leaq 1(%rax), %rcx + leaq 1(%rax), %rcx // %cl = new value lock - cmpxchgb %cl, (%rdi) + cmpxchgb %cl, (%rdi) // try to stick it in jne 1b - movzbl %cl, %eax + movzbl %cl, %eax // return new value ret SET_SIZE(atomic_inc_uchar_nv) SET_SIZE(atomic_inc_8_nv) ENTRY(atomic_inc_16_nv) ALTENTRY(atomic_inc_ushort_nv) - movw (%rdi), %ax + movw (%rdi), %ax // %ax = old value 1: - leaq 1(%rax), %rcx + leaq 1(%rax), %rcx // %cx = new value lock - cmpxchgw %cx, (%rdi) + cmpxchgw %cx, (%rdi) // try to stick it in jne 1b - movzwl %cx, %eax + movzwl %cx, %eax // return new value ret SET_SIZE(atomic_inc_ushort_nv) SET_SIZE(atomic_inc_16_nv) ENTRY(atomic_inc_32_nv) ALTENTRY(atomic_inc_uint_nv) - movl (%rdi), %eax + movl (%rdi), %eax // %eax = old value 1: - leaq 1(%rax), %rcx + leaq 1(%rax), %rcx // %ecx = new value lock - cmpxchgl %ecx, (%rdi) + cmpxchgl %ecx, (%rdi) // try to stick it in jne 1b - movl %ecx, %eax + movl %ecx, %eax // return new value ret SET_SIZE(atomic_inc_uint_nv) SET_SIZE(atomic_inc_32_nv) ENTRY(atomic_inc_64_nv) ALTENTRY(atomic_inc_ulong_nv) - movq (%rdi), %rax + movq (%rdi), %rax // %rax = old value 1: - leaq 1(%rax), %rcx + leaq 1(%rax), %rcx // %rcx = new value lock - cmpxchgq %rcx, (%rdi) + cmpxchgq %rcx, (%rdi) // try to stick it in jne 1b - movq %rcx, %rax + movq %rcx, %rax // return new value ret SET_SIZE(atomic_inc_ulong_nv) SET_SIZE(atomic_inc_64_nv) @@ -162,52 +162,52 @@ ENTRY(atomic_dec_8_nv) ALTENTRY(atomic_dec_uchar_nv) - movb (%rdi), %al + movb (%rdi), %al // %al = old value 1: - leaq -1(%rax), %rcx + leaq -1(%rax), %rcx // %cl = new value lock - cmpxchgb %cl, (%rdi) + cmpxchgb %cl, (%rdi) // try to stick it in jne 1b - movzbl %cl, %eax + movzbl %cl, %eax // return new value ret SET_SIZE(atomic_dec_uchar_nv) SET_SIZE(atomic_dec_8_nv) ENTRY(atomic_dec_16_nv) ALTENTRY(atomic_dec_ushort_nv) - movw (%rdi), %ax + movw (%rdi), %ax // %ax = old value 1: - leaq -1(%rax), %rcx + leaq -1(%rax), %rcx // %cx = new value lock - cmpxchgw %cx, (%rdi) + cmpxchgw %cx, (%rdi) // try to stick it in jne 1b - movzwl %cx, %eax + movzwl %cx, %eax // return new value ret SET_SIZE(atomic_dec_ushort_nv) SET_SIZE(atomic_dec_16_nv) ENTRY(atomic_dec_32_nv) ALTENTRY(atomic_dec_uint_nv) - movl (%rdi), %eax + movl (%rdi), %eax // %eax = old value 1: - leaq -1(%rax), %rcx + leaq -1(%rax), %rcx // %ecx = new value lock - cmpxchgl %ecx, (%rdi) + cmpxchgl %ecx, (%rdi) // try to stick it in jne 1b - movl %ecx, %eax + movl %ecx, %eax // return new value ret SET_SIZE(atomic_dec_uint_nv) SET_SIZE(atomic_dec_32_nv) ENTRY(atomic_dec_64_nv) ALTENTRY(atomic_dec_ulong_nv) - movq (%rdi), %rax + movq (%rdi), %rax // %rax = old value 1: - leaq -1(%rax), %rcx + leaq -1(%rax), %rcx // %rcx = new value lock - cmpxchgq %rcx, (%rdi) + cmpxchgq %rcx, (%rdi) // try to stick it in jne 1b - movq %rcx, %rax + movq %rcx, %rax // return new value ret SET_SIZE(atomic_dec_ulong_nv) SET_SIZE(atomic_dec_64_nv) @@ -278,28 +278,28 @@ ENTRY(atomic_add_8_nv) ALTENTRY(atomic_add_char_nv) - movb (%rdi), %al + movb (%rdi), %al // %al = old value 1: movb %sil, %cl - addb %al, %cl + addb %al, %cl // %cl = new value lock - cmpxchgb %cl, (%rdi) + cmpxchgb %cl, (%rdi) // try to stick it in jne 1b - movzbl %cl, %eax + movzbl %cl, %eax // return new value ret SET_SIZE(atomic_add_char_nv) SET_SIZE(atomic_add_8_nv) ENTRY(atomic_add_16_nv) ALTENTRY(atomic_add_short_nv) - movw (%rdi), %ax + movw (%rdi), %ax // %ax = old value 1: movw %si, %cx - addw %ax, %cx + addw %ax, %cx // %cx = new value lock - cmpxchgw %cx, (%rdi) + cmpxchgw %cx, (%rdi) // try to stick it in jne 1b - movzwl %cx, %eax + movzwl %cx, %eax // return new value ret SET_SIZE(atomic_add_short_nv) SET_SIZE(atomic_add_16_nv) @@ -336,28 +336,28 @@ ENTRY(atomic_and_8_nv) ALTENTRY(atomic_and_uchar_nv) - movb (%rdi), %al + movb (%rdi), %al // %al = old value 1: movb %sil, %cl - andb %al, %cl + andb %al, %cl // %cl = new value lock - cmpxchgb %cl, (%rdi) + cmpxchgb %cl, (%rdi) // try to stick it in jne 1b - movzbl %cl, %eax + movzbl %cl, %eax // return new value ret SET_SIZE(atomic_and_uchar_nv) SET_SIZE(atomic_and_8_nv) ENTRY(atomic_and_16_nv) ALTENTRY(atomic_and_ushort_nv) - movw (%rdi), %ax + movw (%rdi), %ax // %ax = old value 1: movw %si, %cx - andw %ax, %cx + andw %ax, %cx // %cx = new value lock - cmpxchgw %cx, (%rdi) + cmpxchgw %cx, (%rdi) // try to stick it in jne 1b - movzwl %cx, %eax + movzwl %cx, %eax // return new value ret SET_SIZE(atomic_and_ushort_nv) SET_SIZE(atomic_and_16_nv) @@ -392,28 +392,28 @@ ENTRY(atomic_or_8_nv) ALTENTRY(atomic_or_uchar_nv) - movb (%rdi), %al + movb (%rdi), %al // %al = old value 1: movb %sil, %cl - orb %al, %cl + orb %al, %cl // %cl = new value lock - cmpxchgb %cl, (%rdi) + cmpxchgb %cl, (%rdi) // try to stick it in jne 1b - movzbl %cl, %eax + movzbl %cl, %eax // return new value ret SET_SIZE(atomic_and_uchar_nv) SET_SIZE(atomic_and_8_nv) ENTRY(atomic_or_16_nv) ALTENTRY(atomic_or_ushort_nv) - movw (%rdi), %ax + movw (%rdi), %ax // %ax = old value 1: movw %si, %cx - orw %ax, %cx + orw %ax, %cx // %cx = new value lock - cmpxchgw %cx, (%rdi) + cmpxchgw %cx, (%rdi) // try to stick it in jne 1b - movzwl %cx, %eax + movzwl %cx, %eax // return new value ret SET_SIZE(atomic_or_ushort_nv) SET_SIZE(atomic_or_16_nv) @@ -527,7 +527,7 @@ lock btsq %rsi, (%rdi) jnc 1f - decl %eax + decl %eax // return -1 1: ret SET_SIZE(atomic_set_long_excl) @@ -537,7 +537,7 @@ lock btrq %rsi, (%rdi) jc 1f - decl %eax + decl %eax // return -1 1: ret SET_SIZE(atomic_clear_long_excl) |
