diff options
Diffstat (limited to 'ports/sysdeps/arm/memset.S')
| -rw-r--r-- | ports/sysdeps/arm/memset.S | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/ports/sysdeps/arm/memset.S b/ports/sysdeps/arm/memset.S index 5e055adea8..a28cdc6205 100644 --- a/ports/sysdeps/arm/memset.S +++ b/ports/sysdeps/arm/memset.S @@ -32,7 +32,8 @@ ENTRY(memset) 1: tst r3, #3 @ aligned yet? - strbne r1, [r3], #1 + sfi_breg r3, \ + strbne r1, [\B], #1 subne r2, r2, #1 bne 1b @@ -43,25 +44,33 @@ ENTRY(memset) 1: subs r2, r2, #8 - stmiacs r3!, {r1, ip} @ store up to 32 bytes per loop iteration + sfi_breg r3, \ + stmiacs \B!, {r1, ip} @ store up to 32 bytes per loop iteration subscs r2, r2, #8 - stmiacs r3!, {r1, ip} + sfi_breg r3, \ + stmiacs \B!, {r1, ip} subscs r2, r2, #8 - stmiacs r3!, {r1, ip} + sfi_breg r3, \ + stmiacs \B!, {r1, ip} subscs r2, r2, #8 - stmiacs r3!, {r1, ip} + sfi_breg r3, \ + stmiacs \B!, {r1, ip} bcs 1b and r2, r2, #7 2: subs r2, r2, #1 @ store up to 4 bytes per loop iteration - strbcs r1, [r3], #1 + sfi_breg r3, \ + strbcs r1, [\B], #1 subscs r2, r2, #1 - strbcs r1, [r3], #1 + sfi_breg r3, \ + strbcs r1, [\B], #1 subscs r2, r2, #1 - strbcs r1, [r3], #1 + sfi_breg r3, \ + strbcs r1, [\B], #1 subscs r2, r2, #1 - strbcs r1, [r3], #1 + sfi_breg r3, \ + strbcs r1, [\B], #1 bcs 2b DO_RET(lr) |