diff options
Diffstat (limited to 'libc/arch-arm/krait/bionic/memset.S')
| -rw-r--r-- | libc/arch-arm/krait/bionic/memset.S | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/libc/arch-arm/krait/bionic/memset.S b/libc/arch-arm/krait/bionic/memset.S index a4fbe178f..ae05965f4 100644 --- a/libc/arch-arm/krait/bionic/memset.S +++ b/libc/arch-arm/krait/bionic/memset.S @@ -69,10 +69,7 @@ END(bzero) /* memset() returns its first argument. */ ENTRY(memset) - stmfd sp!, {r0} - .cfi_def_cfa_offset 4 - .cfi_rel_offset r0, 0 - + mov r3, r0 vdup.8 q0, r1 /* make sure we have at least 32 bytes to write */ @@ -82,7 +79,7 @@ ENTRY(memset) 1: /* The main loop writes 32 bytes at a time */ subs r2, r2, #32 - vst1.8 {d0 - d3}, [r0]! + vst1.8 {d0 - d3}, [r3]! bhs 1b 2: /* less than 32 left */ @@ -91,18 +88,17 @@ ENTRY(memset) beq 3f // writes 16 bytes, 128-bits aligned - vst1.8 {d0, d1}, [r0]! + vst1.8 {d0, d1}, [r3]! 3: /* write up to 15-bytes (count in r2) */ movs ip, r2, lsl #29 bcc 1f - vst1.8 {d0}, [r0]! + vst1.8 {d0}, [r3]! 1: bge 2f - vst1.32 {d0[0]}, [r0]! + vst1.32 {d0[0]}, [r3]! 2: movs ip, r2, lsl #31 - strbmi r1, [r0], #1 - strbcs r1, [r0], #1 - strbcs r1, [r0], #1 - ldmfd sp!, {r0} + strbmi r1, [r3], #1 + strbcs r1, [r3], #1 + strbcs r1, [r3], #1 bx lr END(memset) |