diff options
Diffstat (limited to 'newlib/libc/machine/xscale/memchr.c')
| -rw-r--r-- | newlib/libc/machine/xscale/memchr.c | 82 |
1 files changed, 41 insertions, 41 deletions
diff --git a/newlib/libc/machine/xscale/memchr.c b/newlib/libc/machine/xscale/memchr.c index fc24bf66e..9bf18268b 100644 --- a/newlib/libc/machine/xscale/memchr.c +++ b/newlib/libc/machine/xscale/memchr.c @@ -42,47 +42,47 @@ memchr (const void *start, int c, size_t len) R6 = 0x80808080 */ asm ( - "mov r6, #0x80 - add r6, r6, #0x8000 - add r6, r6, r6, lsl #16 - mvn r7, r6, lsl #1 - -0: - cmp %1, #0x7 - bls 1f - - ldmia %0!, { r3, r9 } -" PRELOADSTR ("%0") " - sub %1, %1, #8 - eor r3, r3, %2 - eor r9, r9, %2 - add r2, r3, r7 - add r8, r9, r7 - bic r2, r2, r3 - bic r8, r8, r9 - and r1, r2, r6 - and r9, r8, r6 - orrs r1, r1, r9 - beq 0b - - add %1, %1, #8 - sub %0, %0, #8 -1: - cmp %1, #0x3 - bls 2f - - ldr r3, [%0], #4 -" PRELOADSTR ("%0") " - sub %1, %1, #4 - eor r3, r3, %2 - add r2, r3, r7 - bic r2, r2, r3 - ands r1, r2, r6 - beq 1b - - sub %0, %0, #4 - add %1, %1, #4 -2: + "mov r6, #0x80\n\ + add r6, r6, #0x8000\n\ + add r6, r6, r6, lsl #16\n\ + mvn r7, r6, lsl #1\n\ +\n\ +0:\n\ + cmp %1, #0x7\n\ + bls 1f\n\ +\n\ + ldmia %0!, { r3, r9 }\n\ +" PRELOADSTR ("%0") "\n\ + sub %1, %1, #8\n\ + eor r3, r3, %2\n\ + eor r9, r9, %2\n\ + add r2, r3, r7\n\ + add r8, r9, r7\n\ + bic r2, r2, r3\n\ + bic r8, r8, r9\n\ + and r1, r2, r6\n\ + and r9, r8, r6\n\ + orrs r1, r1, r9\n\ + beq 0b\n\ +\n\ + add %1, %1, #8\n\ + sub %0, %0, #8\n\ +1:\n\ + cmp %1, #0x3\n\ + bls 2f\n\ +\n\ + ldr r3, [%0], #4\n\ +" PRELOADSTR ("%0") "\n\ + sub %1, %1, #4\n\ + eor r3, r3, %2\n\ + add r2, r3, r7\n\ + bic r2, r2, r3\n\ + ands r1, r2, r6\n\ + beq 1b\n\ +\n\ + sub %0, %0, #4\n\ + add %1, %1, #4\n\ +2:\n\ " : "=&r" (str), "=&r" (len) : "r" (c2), "0" (str), "1" (len) |