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Code Issues Releases Activity

ARM: use push/pop pseudo-instructions in simple_idct_armv6.S

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Originally committed as revision 16570 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård
2009-01-12 20:37:49 +00:00
parent e9497946bb
commit 9a0cf9f8f8
1 changed files with 20 additions and 20 deletions
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40
libavcodec/arm/simple_idct_armv6.S
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@@ -193,7 +193,7 @@ w57: .long W57
r1 = dest r1 = dest
*/ */
function idct_row_armv6 function idct_row_armv6
str lr, [sp, #-4]! push {lr}
ldr lr, [r0, #12] /* lr = row[7,5] */ ldr lr, [r0, #12] /* lr = row[7,5] */
ldr ip, [r0, #4] /* ip = row[6,4] */ ldr ip, [r0, #4] /* ip = row[6,4] */
@@ -203,7 +203,7 @@ function idct_row_armv6
cmpeq lr, r3 cmpeq lr, r3
cmpeq lr, r2, lsr #16 cmpeq lr, r2, lsr #16
beq 1f beq 1f
str r1, [sp, #-4]! push {r1}
ldr ip, w42 /* ip = W4 | (W2 << 16) */ ldr ip, w42 /* ip = W4 | (W2 << 16) */
cmp lr, #0 cmp lr, #0
beq 2f beq 2f
@@ -213,7 +213,7 @@ function idct_row_armv6
2: idct_row4 ROW_SHIFT 2: idct_row4 ROW_SHIFT
3: ldr r1, [sp], #4 3: pop {r1}
idct_finish_shift ROW_SHIFT idct_finish_shift ROW_SHIFT
strh r4, [r1] strh r4, [r1]
@@ -225,7 +225,7 @@ function idct_row_armv6
strh r9, [r1, #(16*5)] strh r9, [r1, #(16*5)]
strh r8, [r1, #(16*7)] strh r8, [r1, #(16*7)]
ldr pc, [sp], #4 pop {pc}
1: mov r2, r2, lsl #3 1: mov r2, r2, lsl #3
strh r2, [r1] strh r2, [r1]
@@ -236,7 +236,7 @@ function idct_row_armv6
strh r2, [r1, #(16*3)] strh r2, [r1, #(16*3)]
strh r2, [r1, #(16*5)] strh r2, [r1, #(16*5)]
strh r2, [r1, #(16*7)] strh r2, [r1, #(16*7)]
ldr pc, [sp], #4 pop {pc}
.endfunc .endfunc
/* /*
@@ -245,13 +245,13 @@ function idct_row_armv6
r1 = dest r1 = dest
*/ */
function idct_col_armv6 function idct_col_armv6
stmfd sp!, {r1, lr} push {r1, lr}
ldr r2, [r0] /* r2 = row[2,0] */ ldr r2, [r0] /* r2 = row[2,0] */
ldr ip, w42 /* ip = W4 | (W2 << 16) */ ldr ip, w42 /* ip = W4 | (W2 << 16) */
ldr r3, [r0, #8] /* r3 = row[3,1] */ ldr r3, [r0, #8] /* r3 = row[3,1] */
idct_row COL_SHIFT idct_row COL_SHIFT
ldr r1, [sp], #4 pop {r1}
idct_finish_shift COL_SHIFT idct_finish_shift COL_SHIFT
strh r4, [r1] strh r4, [r1]
@@ -263,7 +263,7 @@ function idct_col_armv6
strh r9, [r1, #(16*6)] strh r9, [r1, #(16*6)]
strh r8, [r1, #(16*7)] strh r8, [r1, #(16*7)]
ldr pc, [sp], #4 pop {pc}
.endfunc .endfunc
/* /*
@@ -273,13 +273,13 @@ function idct_col_armv6
r2 = line size r2 = line size
*/ */
function idct_col_put_armv6 function idct_col_put_armv6
stmfd sp!, {r1, r2, lr} push {r1, r2, lr}
ldr r2, [r0] /* r2 = row[2,0] */ ldr r2, [r0] /* r2 = row[2,0] */
ldr ip, w42 /* ip = W4 | (W2 << 16) */ ldr ip, w42 /* ip = W4 | (W2 << 16) */
ldr r3, [r0, #8] /* r3 = row[3,1] */ ldr r3, [r0, #8] /* r3 = row[3,1] */
idct_row COL_SHIFT idct_row COL_SHIFT
ldmfd sp!, {r1, r2} pop {r1, r2}
idct_finish_shift_sat COL_SHIFT idct_finish_shift_sat COL_SHIFT
strb r4, [r1], r2 strb r4, [r1], r2
@@ -293,7 +293,7 @@ function idct_col_put_armv6
sub r1, r1, r2, lsl #3 sub r1, r1, r2, lsl #3
ldr pc, [sp], #4 pop {pc}
.endfunc .endfunc
/* /*
@@ -303,13 +303,13 @@ function idct_col_put_armv6
r2 = line size r2 = line size
*/ */
function idct_col_add_armv6 function idct_col_add_armv6
stmfd sp!, {r1, r2, lr} push {r1, r2, lr}
ldr r2, [r0] /* r2 = row[2,0] */ ldr r2, [r0] /* r2 = row[2,0] */
ldr ip, w42 /* ip = W4 | (W2 << 16) */ ldr ip, w42 /* ip = W4 | (W2 << 16) */
ldr r3, [r0, #8] /* r3 = row[3,1] */ ldr r3, [r0, #8] /* r3 = row[3,1] */
idct_row COL_SHIFT idct_row COL_SHIFT
ldmfd sp!, {r1, r2} pop {r1, r2}
idct_finish idct_finish
ldrb r3, [r1] ldrb r3, [r1]
@@ -348,7 +348,7 @@ function idct_col_add_armv6
sub r1, r1, r2, lsl #3 sub r1, r1, r2, lsl #3
ldr pc, [sp], #4 pop {pc}
.endfunc .endfunc
/* /*
@@ -385,7 +385,7 @@ function idct_col_add_armv6
/* void ff_simple_idct_armv6(DCTELEM *data); */ /* void ff_simple_idct_armv6(DCTELEM *data); */
function ff_simple_idct_armv6, export=1 function ff_simple_idct_armv6, export=1
stmfd sp!, {r4-r11, lr} push {r4-r11, lr}
sub sp, sp, #128 sub sp, sp, #128
mov r1, sp mov r1, sp
@@ -395,12 +395,12 @@ function ff_simple_idct_armv6, export=1
idct_rows idct_col_armv6, 2 idct_rows idct_col_armv6, 2
add sp, sp, #128 add sp, sp, #128
ldmfd sp!, {r4-r11, pc} pop {r4-r11, pc}
.endfunc .endfunc
/* ff_simple_idct_add_armv6(uint8_t *dest, int line_size, DCTELEM *data); */ /* ff_simple_idct_add_armv6(uint8_t *dest, int line_size, DCTELEM *data); */
function ff_simple_idct_add_armv6, export=1 function ff_simple_idct_add_armv6, export=1
stmfd sp!, {r0, r1, r4-r11, lr} push {r0, r1, r4-r11, lr}
sub sp, sp, #128 sub sp, sp, #128
mov r0, r2 mov r0, r2
@@ -412,12 +412,12 @@ function ff_simple_idct_add_armv6, export=1
idct_rows idct_col_add_armv6, 1 idct_rows idct_col_add_armv6, 1
add sp, sp, #(128+8) add sp, sp, #(128+8)
ldmfd sp!, {r4-r11, pc} pop {r4-r11, pc}
.endfunc .endfunc
/* ff_simple_idct_put_armv6(uint8_t *dest, int line_size, DCTELEM *data); */ /* ff_simple_idct_put_armv6(uint8_t *dest, int line_size, DCTELEM *data); */
function ff_simple_idct_put_armv6, export=1 function ff_simple_idct_put_armv6, export=1
stmfd sp!, {r0, r1, r4-r11, lr} push {r0, r1, r4-r11, lr}
sub sp, sp, #128 sub sp, sp, #128
mov r0, r2 mov r0, r2
@@ -429,5 +429,5 @@ function ff_simple_idct_put_armv6, export=1
idct_rows idct_col_put_armv6, 1 idct_rows idct_col_put_armv6, 1
add sp, sp, #(128+8) add sp, sp, #(128+8)
ldmfd sp!, {r4-r11, pc} pop {r4-r11, pc}
.endfunc .endfunc