diff options
Diffstat (limited to 'string/arm/strlen-armv6t2.S')
| -rw-r--r-- | string/arm/strlen-armv6t2.S | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/string/arm/strlen-armv6t2.S b/string/arm/strlen-armv6t2.S index 279ec87..76e6930 100644 --- a/string/arm/strlen-armv6t2.S +++ b/string/arm/strlen-armv6t2.S @@ -11,13 +11,7 @@ */ - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm +#include "../asmdefs.h" #ifdef __ARMEB__ #define S2LO lsl @@ -44,27 +38,27 @@ #define tmp1 r4 /* Overlaps const_0 */ #define tmp2 r5 -def_fn __strlen_armv6t2 p2align=6 +ENTRY (__strlen_armv6t2) pld [srcin, #0] strd r4, r5, [sp, #-8]! bic src, srcin, #7 mvn const_m1, #0 ands tmp1, srcin, #7 /* (8 - bytes) to alignment. */ pld [src, #32] - bne.w .Lmisaligned8 + bne.w L(misaligned8) mov const_0, #0 mov result, #-8 -.Lloop_aligned: +L(loop_aligned): /* Bytes 0-7. */ ldrd data1a, data1b, [src] pld [src, #64] add result, result, #8 -.Lstart_realigned: +L(start_realigned): uadd8 data1a, data1a, const_m1 /* Saturating GE<0:3> set. */ sel data1a, const_0, const_m1 /* Select based on GE<0:3>. */ uadd8 data1b, data1b, const_m1 sel data1b, data1a, const_m1 /* Only used if d1a == 0. */ - cbnz data1b, .Lnull_found + cbnz data1b, L(null_found) /* Bytes 8-15. */ ldrd data1a, data1b, [src, #8] @@ -73,7 +67,7 @@ def_fn __strlen_armv6t2 p2align=6 sel data1a, const_0, const_m1 /* Select based on GE<0:3>. */ uadd8 data1b, data1b, const_m1 sel data1b, data1a, const_m1 /* Only used if d1a == 0. */ - cbnz data1b, .Lnull_found + cbnz data1b, L(null_found) /* Bytes 16-23. */ ldrd data1a, data1b, [src, #16] @@ -82,7 +76,7 @@ def_fn __strlen_armv6t2 p2align=6 sel data1a, const_0, const_m1 /* Select based on GE<0:3>. */ uadd8 data1b, data1b, const_m1 sel data1b, data1a, const_m1 /* Only used if d1a == 0. */ - cbnz data1b, .Lnull_found + cbnz data1b, L(null_found) /* Bytes 24-31. */ ldrd data1a, data1b, [src, #24] @@ -93,9 +87,9 @@ def_fn __strlen_armv6t2 p2align=6 uadd8 data1b, data1b, const_m1 sel data1b, data1a, const_m1 /* Only used if d1a == 0. */ cmp data1b, #0 - beq .Lloop_aligned + beq L(loop_aligned) -.Lnull_found: +L(null_found): cmp data1a, #0 itt eq addeq result, result, #4 @@ -108,7 +102,7 @@ def_fn __strlen_armv6t2 p2align=6 add result, result, data1a, lsr #3 /* Bits -> Bytes. */ bx lr -.Lmisaligned8: +L(misaligned8): ldrd data1a, data1b, [src] and tmp2, tmp1, #3 rsb result, tmp1, #0 @@ -121,5 +115,6 @@ def_fn __strlen_armv6t2 p2align=6 ornne data1b, data1b, tmp2 movne data1a, const_m1 mov const_0, #0 - b .Lstart_realigned - .size __strlen_armv6t2, . - __strlen_armv6t2 + b L(start_realigned) + +END (__strlen_armv6t2) |