diff options
Diffstat (limited to 'ports/sysdeps/arm/memset.S')
| -rw-r--r-- | ports/sysdeps/arm/memset.S | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/ports/sysdeps/arm/memset.S b/ports/sysdeps/arm/memset.S index 9924cb9115..5e055adea8 100644 --- a/ports/sysdeps/arm/memset.S +++ b/ports/sysdeps/arm/memset.S @@ -20,6 +20,9 @@ #define NO_THUMB #include <sysdep.h> + .text + .syntax unified + /* void *memset (dstpp, c, len) */ ENTRY(memset) @@ -29,7 +32,7 @@ ENTRY(memset) 1: tst r3, #3 @ aligned yet? - strneb r1, [r3], #1 + strbne r1, [r3], #1 subne r2, r2, #1 bne 1b @@ -40,27 +43,27 @@ ENTRY(memset) 1: subs r2, r2, #8 - stmcsia r3!, {r1, ip} @ store up to 32 bytes per loop iteration - subcss r2, r2, #8 - stmcsia r3!, {r1, ip} - subcss r2, r2, #8 - stmcsia r3!, {r1, ip} - subcss r2, r2, #8 - stmcsia r3!, {r1, ip} + stmiacs r3!, {r1, ip} @ store up to 32 bytes per loop iteration + subscs r2, r2, #8 + stmiacs r3!, {r1, ip} + subscs r2, r2, #8 + stmiacs r3!, {r1, ip} + subscs r2, r2, #8 + stmiacs r3!, {r1, ip} bcs 1b and r2, r2, #7 2: subs r2, r2, #1 @ store up to 4 bytes per loop iteration - strcsb r1, [r3], #1 - subcss r2, r2, #1 - strcsb r1, [r3], #1 - subcss r2, r2, #1 - strcsb r1, [r3], #1 - subcss r2, r2, #1 - strcsb r1, [r3], #1 + strbcs r1, [r3], #1 + subscs r2, r2, #1 + strbcs r1, [r3], #1 + subscs r2, r2, #1 + strbcs r1, [r3], #1 + subscs r2, r2, #1 + strbcs r1, [r3], #1 bcs 2b - + DO_RET(lr) END(memset) libc_hidden_builtin_def (memset) |