stmfd sp!, {r4-r10,lr} @ R14 is also called LR
adr r5, 5f
ands r4, r1, #3
- ldr r12, [r5]
+ ldr r12, =0xfefefefe
add r5, r5, r4, lsl #2
bic r1, r1, #3
ldrne pc, [r5]
bne 4b
ldmfd sp!, {r4-r10,pc} @@ update PC with LR content.
5:
- .word 0xFEFEFEFE
+ .word 1b
.word 2b
.word 3b
.word 4b
stmfd sp!, {r4-r10,lr} @ R14 is also called LR
adr r5, 5f
ands r4, r1, #3
- ldr r12, [r5]
+ ldr r12, =0xfefefefe
add r5, r5, r4, lsl #2
bic r1, r1, #3
ldrne pc, [r5]
bne 4b
ldmfd sp!, {r4-r10,pc} @@ update PC with LR content.
5:
- .word 0xFEFEFEFE
+ .word 1b
.word 2b
.word 3b
.word 4b
adr r5, 5f
ands r4, r1, #3
mov r3, r3, lsr #1
- ldr r12, [r5]
+ ldr r12, =0xfefefefe
add r5, r5, r4, lsl #2
bic r1, r1, #3
ldrne pc, [r5]
ldmfd sp!, {r4-r11,pc}
5:
- .word 0xFEFEFEFE
+ .word 1b
.word 2b
.word 3b
.word 4b
adr r5, 5f
ands r4, r1, #3
mov r3, r3, lsr #1
- ldr r12, [r5]
+ ldr r12, =0xfefefefe
add r5, r5, r4, lsl #2
bic r1, r1, #3
ldrne pc, [r5]
bne 6b
ldmfd sp!, {r4-r11,pc}
5:
- .word 0xFEFEFEFE
+ .word 1b
.word 2b
.word 3b
.word 4b
.endfunc
+ .ltorg
+
@ ----------------------------------------------------------------
-.macro RND_XY2_IT align
+.macro RND_XY2_IT align, rnd
@ l1= (a & 0x03030303) + (b & 0x03030303) ?(+ 0x02020202)
@ h1= ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2)
.if \align == 0
.elseif \align == 3
ADJ_ALIGN_DOUBLEWORD_D 3, r4, r5, r5, r6, r7
.endif
- ldr r14, [r12, #0] @ 0x03030303
+ ldr r14, =0x03030303
tst r3, #1
and r8, r4, r14
and r9, r5, r14
and r10, r6, r14
and r11, r7, r14
- ldreq r14, [r12, #16] @ 0x02020202/0x01010101
+ andeq r14, r14, r14, \rnd #1
add r8, r8, r10
add r9, r9, r11
addeq r8, r8, r14
addeq r9, r9, r14
- ldr r14, [r12, #20] @ 0xFCFCFCFC >> 2
+ ldr r14, =0xfcfcfcfc >> 2
and r4, r14, r4, lsr #2
and r5, r14, r5, lsr #2
and r6, r14, r6, lsr #2
subs r3, r3, #1
.endm
-.macro RND_XY2_EXPAND align
- RND_XY2_IT \align
+.macro RND_XY2_EXPAND align, rnd
+ RND_XY2_IT \align, \rnd
6: stmfd sp!, {r8-r11}
- RND_XY2_IT \align
+ RND_XY2_IT \align, \rnd
ldmfd sp!, {r4-r7}
add r4, r4, r8
add r5, r5, r9
add r6, r6, r10
add r7, r7, r11
- ldr r14, [r12, #24] @ 0x0F0F0F0F
+ ldr r14, =0x0f0f0f0f
and r4, r14, r4, lsr #2
and r5, r14, r5, lsr #2
add r4, r4, r6
bic r1, r1, #3
ldrne pc, [r5]
1:
- RND_XY2_EXPAND 0
+ RND_XY2_EXPAND 0, lsl
.align 5
2:
- RND_XY2_EXPAND 1
+ RND_XY2_EXPAND 1, lsl
.align 5
3:
- RND_XY2_EXPAND 2
+ RND_XY2_EXPAND 2, lsl
.align 5
4:
- RND_XY2_EXPAND 3
-
+ RND_XY2_EXPAND 3, lsl
5:
- .word 0x03030303
+ .word 1b
.word 2b
.word 3b
.word 4b
- .word 0x02020202
- .word 0xFCFCFCFC >> 2
- .word 0x0F0F0F0F
.endfunc
.align 5
bic r1, r1, #3
ldrne pc, [r5]
1:
- RND_XY2_EXPAND 0
+ RND_XY2_EXPAND 0, lsr
.align 5
2:
- RND_XY2_EXPAND 1
+ RND_XY2_EXPAND 1, lsr
.align 5
3:
- RND_XY2_EXPAND 2
+ RND_XY2_EXPAND 2, lsr
.align 5
4:
- RND_XY2_EXPAND 3
-
+ RND_XY2_EXPAND 3, lsr
5:
- .word 0x03030303
+ .word 1b
.word 2b
.word 3b
.word 4b
- .word 0x01010101
- .word 0xFCFCFCFC >> 2
- .word 0x0F0F0F0F
.endfunc
.align 5