diff options
Diffstat (limited to 'debian/vendor-h2o/deps/picotls/deps/cifra/src/arm/memcpy.s')
-rw-r--r-- | debian/vendor-h2o/deps/picotls/deps/cifra/src/arm/memcpy.s | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/debian/vendor-h2o/deps/picotls/deps/cifra/src/arm/memcpy.s b/debian/vendor-h2o/deps/picotls/deps/cifra/src/arm/memcpy.s deleted file mode 100644 index 63406fe..0000000 --- a/debian/vendor-h2o/deps/picotls/deps/cifra/src/arm/memcpy.s +++ /dev/null @@ -1,49 +0,0 @@ - .text - .syntax unified - .global memcpy - .func memcpy - .thumb_func - -memcpy: - /* on entry - * r0 = targ - * r1 = src - * r2 = len (bytes) - * on exit - * r0 = targ (unchanged) - */ - push {r0, r4, lr} - - /* If targ or src are unaligned, drop to byte - * processing. */ - mov r3, r0 - movs r4, #3 - orrs r3, r1 - ands r3, r4 - bne L_bytewise - - /* Process words */ -L_wordwise: - cmp r2, #4 - blo L_bytewise - ldr r4, [r1] - adds r1, #4 - str r4, [r0] - adds r0, #4 - subs r2, #4 - b L_wordwise - - /* Process bytes */ -L_bytewise: - cmp r2, #0 - beq L_fin - ldrb r4, [r1] - adds r1, #1 - strb r4, [r0] - adds r0, #1 - subs r2, #1 - b L_bytewise - -L_fin: - pop {r0, r4, pc} - .endfunc |