diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/sse_accel.S | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/sse_accel.S b/src/sse_accel.S index 8753d11..dab5dce 100644 --- a/src/sse_accel.S +++ b/src/sse_accel.S @@ -37,7 +37,10 @@ accel_invert128: movq %rdi, %rax movdqu (%rax), %xmm0 - /* Set %xmm1 to all 1s and emulate NOT for %xmm0 */ + /* + * Set %xmm1 to all 1s and emulate NOT for %xmm0. + * Result of inversion will be stored in %xmm1. + */ pcmpeqb %xmm1, %xmm1 pxor %xmm0, %xmm1 |