diff options
Diffstat (limited to 'libc/string/sh64/memset.S')
| -rw-r--r-- | libc/string/sh64/memset.S | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/libc/string/sh64/memset.S b/libc/string/sh64/memset.S index f588323f0..1b8812cd6 100644 --- a/libc/string/sh64/memset.S +++ b/libc/string/sh64/memset.S @@ -32,12 +32,12 @@ memset: ptabs r18, tr2 mshflo.b r3,r3,r3 add r4, r22, r23 - mperm.w r3, r63, r3 // Fill pattern now in every byte of r3 + mperm.w r3, r63, r3 /* Fill pattern now in every byte of r3 */ movi 8, r9 - bgtu/u r23, r9, tr0 // multiquad + bgtu/u r23, r9, tr0 /* multiquad */ - beqi/u r4, 0, tr2 // Return with size 0 - ensures no mem accesses + beqi/u r4, 0, tr2 /* Return with size 0 - ensures no mem accesses */ ldlo.q r2, 0, r7 shlli r4, 2, r4 movi -1, r8 @@ -52,20 +52,21 @@ multiquad: stlo.q r2, 0, r3 shlri r23, 3, r24 add r2, r4, r5 - beqi/u r24, 1, tr0 // lastquad + beqi/u r24, 1, tr0 /* lastquad */ pta/l loop, tr1 sub r2, r22, r25 - andi r5, -8, r20 // calculate end address and - addi r20, -7*8, r8 // loop end address; This might overflow, so we need - // to use a different test before we start the loop - bge/u r24, r9, tr1 // loop + andi r5, -8, r20 /* calculate end address and */ + addi r20, -7*8, r8 /* loop end address; This might overflow, so we need + to use a different test before we start the loop + */ + bge/u r24, r9, tr1 /* loop */ st.q r25, 8, r3 st.q r20, -8, r3 shlri r24, 1, r24 - beqi/u r24, 1, tr0 // lastquad + beqi/u r24, 1, tr0 /* lastquad */ st.q r25, 16, r3 st.q r20, -16, r3 - beqi/u r24, 2, tr0 // lastquad + beqi/u r24, 2, tr0 /* lastquad */ st.q r25, 24, r3 st.q r20, -24, r3 lastquad: @@ -73,15 +74,15 @@ lastquad: blink tr2,r63 loop: -!!! alloco r25, 32 // QQQ comment out for short-term fix to SHUK #3895. - // QQQ commenting out is locically correct, but sub-optimal - // QQQ Sean McGoogan - 4th April 2003. +!!! alloco r25, 32 /* QQQ comment out for short-term fix to SHUK #3895. + QQQ commenting out is locically correct, but sub-optimal + QQQ Sean McGoogan - 4th April 2003. */ st.q r25, 8, r3 st.q r25, 16, r3 st.q r25, 24, r3 st.q r25, 32, r3 addi r25, 32, r25 - bgeu/l r8, r25, tr1 // loop + bgeu/l r8, r25, tr1 /* loop */ st.q r20, -40, r3 st.q r20, -32, r3 |