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ARM: jrevdct_arm: use push/pop mnemonics

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Use push/pop instead of stmdb/ldmia for stack operations.  This
is the preferred syntax.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-06-13 09:30:42 +01:00
parent 77cdfde73e
commit 13743c7ab0
1 changed files with 8 additions and 8 deletions
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16
libavcodec/arm/jrevdct_arm.S
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@ -56,7 +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
stmdb sp!, { r4 - r12, lr } @ all callee saved regs push {r4 - r12, lr}
sub sp, sp, #4 @ reserve some space on the stack sub sp, sp, #4 @ reserve some space on the stack
str r0, [ sp ] @ save the DCT pointer to the stack str r0, [ sp ] @ save the DCT pointer to the stack
@ -99,7 +99,7 @@ row_loop:
add r4, r6, r3, lsl #13 @ r4 = tmp11 add r4, r6, r3, lsl #13 @ r4 = tmp11
rsb r3, r6, r3, lsl #13 @ r3 = tmp12 rsb r3, r6, r3, lsl #13 @ r3 = tmp12
stmdb sp!, { r0, r2, r3, r4 } @ save on the stack tmp10, tmp13, tmp12, tmp11 push {r0, r2, r3, r4} @ save on the stack tmp10, tmp13, tmp12, tmp11
ldrsh r3, [lr, #10] @ r3 = 'd3' ldrsh r3, [lr, #10] @ r3 = 'd3'
ldrsh r5, [lr, #12] @ r5 = 'd5' ldrsh r5, [lr, #12] @ r5 = 'd5'
@ -133,8 +133,8 @@ row_loop:
add r3, r3, r4 @ r3 = tmp2 add r3, r3, r4 @ r3 = tmp2
add r1, r1, r6 @ r1 = tmp3 add r1, r1, r6 @ r1 = tmp3
ldmia sp!, { r0, r2, r4, r6 } @ r0 = tmp10 / r2 = tmp13 / r4 = tmp12 / r6 = tmp11 pop {r0, r2, r4, r6} @ r0 = tmp10 / r2 = tmp13 / r4 = tmp12 / r6 = tmp11
@ r1 = tmp3 / r3 = tmp2 / r5 = tmp1 / r7 = tmp0 @ r1 = tmp3 / r3 = tmp2 / r5 = tmp1 / r7 = tmp0
@ Compute DESCALE(tmp10 + tmp3, CONST_BITS-PASS1_BITS) @ Compute DESCALE(tmp10 + tmp3, CONST_BITS-PASS1_BITS)
add r8, r0, r1 add r8, r0, r1
@ -242,7 +242,7 @@ column_loop:
orrs r10, r9, r10 orrs r10, r9, r10
beq empty_odd_column beq empty_odd_column
stmdb sp!, { r0, r2, r4, r6 } @ save on the stack tmp10, tmp13, tmp12, tmp11 push {r0, r2, r4, r6} @ save on the stack tmp10, tmp13, tmp12, tmp11
add r0, r3, r5 @ r0 = 'z2' add r0, r3, r5 @ r0 = 'z2'
add r2, r1, r7 @ r2 = 'z1' add r2, r1, r7 @ r2 = 'z1'
@ -272,8 +272,8 @@ column_loop:
add r3, r3, r4 @ r3 = tmp2 add r3, r3, r4 @ r3 = tmp2
add r1, r1, r6 @ r1 = tmp3 add r1, r1, r6 @ r1 = tmp3
ldmia sp!, { r0, r2, r4, r6 } @ r0 = tmp10 / r2 = tmp13 / r4 = tmp11 / r6 = tmp12 pop {r0, r2, r4, r6} @ r0 = tmp10 / r2 = tmp13 / r4 = tmp11 / r6 = tmp12
@ r1 = tmp3 / r3 = tmp2 / r5 = tmp1 / r7 = tmp0 @ r1 = tmp3 / r3 = tmp2 / r5 = tmp1 / r7 = tmp0
@ Compute DESCALE(tmp10 + tmp3, CONST_BITS+PASS1_BITS+3) @ Compute DESCALE(tmp10 + tmp3, CONST_BITS+PASS1_BITS+3)
add r8, r0, r1 add r8, r0, r1
@ -366,7 +366,7 @@ empty_odd_column:
the_end: the_end:
@ The end.... @ The end....
add sp, sp, #4 add sp, sp, #4
ldmia sp!, { r4 - r12, pc } @ restore callee saved regs and return pop {r4 - r12, pc}
endfunc endfunc
const const_array const const_array