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Using ARM Unified Assembler Language

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Change-Id: Iae32a8ba8eff6087330e458fafc912a12fee4509
This commit is contained in:
Chris Chua 2023-03-19 06:22:08 +11:00 • committed by Aidan MacDonald
parent a64cad847e
commit 86429dbf1e
23 changed files with 139 additions and 127 deletions
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6
apps/plugins/mpegplayer/libmpeg2/idct_arm.S
View file

@ -43,8 +43,8 @@
ldrsh r7, [r0, #12] /* d2 */
ldrsh r8, [r0, #14] /* d3 */
orrs r9, r2, r3
orreqs r9, r4, r5
orreqs r9, r6, r7
orrseq r9, r4, r5
orrseq r9, r6, r7
cmpeq r8, #0
bne 2f
mov r1, r1, asl #15
@ -320,7 +320,7 @@ mpeg2_idct_copy:
mpeg2_idct_add:
cmp r0, #129
mov r0, r1
ldreqsh r1, [r0, #0]
ldrsheq r1, [r0, #0]
bne 1f
and r1, r1, #0x70
cmp r1, #0x40

7
apps/plugins/mpegplayer/libmpeg2/idct_armv6.S
View file

@ -19,6 +19,7 @@
*
****************************************************************************/
#include "config.h"
.global mpeg2_idct_copy
.type mpeg2_idct_copy, %function
@ -228,7 +229,7 @@ mpeg2_idct_copy:
mpeg2_idct_add:
cmp r0, #129
mov r0, r1
ldreqsh r1, [r0, #0]
ldrsheq r1, [r0, #0]
bne 1f
and r1, r1, #0x70
cmp r1, #0x40
@ -260,7 +261,7 @@ mpeg2_idct_add:
strd r4, [r1] @ r4, r5
add r1, r1, r2
cmp r0, r3
ldrlod r8, [r1] @ r8, r9
ldrdlo r8, [r1] @ r8, r9
blo 2b
ldmfd sp!, {r4-r11, pc}
@ -291,7 +292,7 @@ mpeg2_idct_add:
strd r0, [r2] @ r0, r1
add r2, r2, r3
cmp r2, r12
ldrlod r0, [r2] @ r0, r1
ldrdlo r0, [r2] @ r0, r1
blo 4b
ldmfd sp!, {r4, pc}

22
apps/plugins/mpegplayer/mpeg_misc.h
View file

@ -53,12 +53,13 @@ enum state_enum
#define CMP_3_CONST(_a, _b) \
({ int _x; \
asm volatile ( \
".syntax unified \n" \
"ldrb %[x], [%[a], #0] \n" \
"eors %[x], %[x], %[b0] \n" \
"ldreqb %[x], [%[a], #1] \n" \
"eoreqs %[x], %[x], %[b1] \n" \
"ldreqb %[x], [%[a], #2] \n" \
"eoreqs %[x], %[x], %[b2] \n" \
"ldrbeq %[x], [%[a], #1] \n" \
"eorseq %[x], %[x], %[b1] \n" \
"ldrbeq %[x], [%[a], #2] \n" \
"eorseq %[x], %[x], %[b2] \n" \
: [x]"=&r"(_x) \
: [a]"r"(_a), \
[b0]"i"(((_b) >> 24) & 0xff), \
@ -70,14 +71,15 @@ enum state_enum
#define CMP_4_CONST(_a, _b) \
({ int _x; \
asm volatile ( \
".syntax unified \n" \
"ldrb %[x], [%[a], #0] \n" \
"eors %[x], %[x], %[b0] \n" \
"ldreqb %[x], [%[a], #1] \n" \
"eoreqs %[x], %[x], %[b1] \n" \
"ldreqb %[x], [%[a], #2] \n" \
"eoreqs %[x], %[x], %[b2] \n" \
"ldreqb %[x], [%[a], #3] \n" \
"eoreqs %[x], %[x], %[b3] \n" \
"ldrbeq %[x], [%[a], #1] \n" \
"eorseq %[x], %[x], %[b1] \n" \
"ldrbeq %[x], [%[a], #2] \n" \
"eorseq %[x], %[x], %[b2] \n" \
"ldrbeq %[x], [%[a], #3] \n" \
"eorseq %[x], %[x], %[b3] \n" \
: [x]"=&r"(_x) \
: [a]"r"(_a), \
[b0]"i"(((_b) >> 24) & 0xff), \