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Diffstat (limited to 'newlib/libc/machine/xscale/memset.c')
-rw-r--r--newlib/libc/machine/xscale/memset.c122
1 files changed, 61 insertions, 61 deletions
diff --git a/newlib/libc/machine/xscale/memset.c b/newlib/libc/machine/xscale/memset.c
index ad1fc74bc..4ff8d01e0 100644
--- a/newlib/libc/machine/xscale/memset.c
+++ b/newlib/libc/machine/xscale/memset.c
@@ -14,69 +14,69 @@ memset (void *dst, int c, size_t len)
asm volatile ("tst %0, #0x3"
#ifndef __OPTIMIZE_SIZE__
-"
- beq 1f
- b 2f
-0:
- strb %1, [%0], #1
- tst %0, #0x3
- beq 1f
-2:
- movs r3, %2
- sub %2, %2, #1
- bne 0b
-# At this point we know that %2 == len == -1 (since the SUB has already taken
-# place). If we fall through to the 1: label (as the code used to do), the
-# CMP will detect this negative value and branch to the 2: label. This will
-# test %2 again, but this time against 0. The test will fail and the loop
-# at 2: will go on for (almost) ever. Hence the explicit branch to the end
-# of the hand written assembly code.
- b 4f
-1:
- cmp %2, #0x3
- bls 2f
- and %1, %1, #0xff
- orr lr, %1, %1, asl #8
- cmp %2, #0xf
- orr lr, lr, lr, asl #16
- bls 1f
- mov r3, lr
- mov r4, lr
- mov r5, lr
-0:
- sub %2, %2, #16
- stmia %0!, { r3, r4, r5, lr }
- cmp %2, #0xf
- bhi 0b
-1:
- cmp %2, #0x7
- bls 1f
- mov r3, lr
-0:
- sub %2, %2, #8
- stmia %0!, { r3, lr }
- cmp %2, #0x7
- bhi 0b
-1:
- cmp %2, #0x3
- bls 2f
-0:
- sub %2, %2, #4
- str lr, [%0], #4
- cmp %2, #0x3
- bhi 0b
+"\n\
+ beq 1f\n\
+ b 2f\n\
+0:\n\
+ strb %1, [%0], #1\n\
+ tst %0, #0x3\n\
+ beq 1f\n\
+2:\n\
+ movs r3, %2\n\
+ sub %2, %2, #1\n\
+ bne 0b\n\
+# At this point we know that %2 == len == -1 (since the SUB has already taken\n\
+# place). If we fall through to the 1: label (as the code used to do), the\n\
+# CMP will detect this negative value and branch to the 2: label. This will\n\
+# test %2 again, but this time against 0. The test will fail and the loop\n\
+# at 2: will go on for (almost) ever. Hence the explicit branch to the end\n\
+# of the hand written assembly code.\n\
+ b 4f\n\
+1:\n\
+ cmp %2, #0x3\n\
+ bls 2f\n\
+ and %1, %1, #0xff\n\
+ orr lr, %1, %1, asl #8\n\
+ cmp %2, #0xf\n\
+ orr lr, lr, lr, asl #16\n\
+ bls 1f\n\
+ mov r3, lr\n\
+ mov r4, lr\n\
+ mov r5, lr\n\
+0:\n\
+ sub %2, %2, #16\n\
+ stmia %0!, { r3, r4, r5, lr }\n\
+ cmp %2, #0xf\n\
+ bhi 0b\n\
+1:\n\
+ cmp %2, #0x7\n\
+ bls 1f\n\
+ mov r3, lr\n\
+0:\n\
+ sub %2, %2, #8\n\
+ stmia %0!, { r3, lr }\n\
+ cmp %2, #0x7\n\
+ bhi 0b\n\
+1:\n\
+ cmp %2, #0x3\n\
+ bls 2f\n\
+0:\n\
+ sub %2, %2, #4\n\
+ str lr, [%0], #4\n\
+ cmp %2, #0x3\n\
+ bhi 0b\n\
"
#endif /* !__OPTIMIZE_SIZE__ */
-"
-2:
- movs r3, %2
- sub %2, %2, #1
- beq 4f
-0:
- movs r3, %2
- sub %2, %2, #1
- strb %1, [%0], #1
- bne 0b
+"\n\
+2:\n\
+ movs r3, %2\n\
+ sub %2, %2, #1\n\
+ beq 4f\n\
+0:\n\
+ movs r3, %2\n\
+ sub %2, %2, #1\n\
+ strb %1, [%0], #1\n\
+ bne 0b\n\
4:"
: "=&r" (dummy), "=&r" (c), "=&r" (len)