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ARM: jrevdct_arm: simplify stack usage

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Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-06-13 09:33:20 +01:00
parent 13743c7ab0
commit 9776e25db9
1 changed files with 3 additions and 6 deletions
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9
libavcodec/arm/jrevdct_arm.S
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@ -56,9 +56,7 @@
#define FIX_0xFFFF_ID 48 #define FIX_0xFFFF_ID 48
function ff_j_rev_dct_arm, export=1 function ff_j_rev_dct_arm, export=1
push {r4 - r12, lr} push {r0, r4 - r11, lr}
sub sp, sp, #4 @ reserve some space on the stack
str r0, [ sp ] @ save the DCT pointer to the stack
mov lr, r0 @ lr = pointer to the current row mov lr, r0 @ lr = pointer to the current row
mov r12, #8 @ r12 = row-counter mov r12, #8 @ r12 = row-counter
@ -208,7 +206,7 @@ end_of_row_loop:
start_column_loop: start_column_loop:
@ Start of column loop @ Start of column loop
ldr lr, [ sp ] pop {lr}
mov r12, #8 mov r12, #8
column_loop: column_loop:
ldrsh r0, [lr, #( 0*8)] @ r0 = 'd0' ldrsh r0, [lr, #( 0*8)] @ r0 = 'd0'
@ -365,8 +363,7 @@ empty_odd_column:
the_end: the_end:
@ The end.... @ The end....
add sp, sp, #4 pop {r4 - r11, pc}
pop {r4 - r12, pc}
endfunc endfunc
const const_array const const_array