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| author | Mans Rullgard <mans@mansr.com> | 2011-06-13 09:30:42 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2011-06-13 12:30:22 +0100 |
| commit | 13743c7ab00be270a3a38c8ee6442336774e335c (patch) | |
| tree | 721d778aba948b7b06601326a47da0c32225ad7c | |
| parent | 77cdfde73e91cdbcc82cdec6b8fec6f646b02782 (diff) | |
| download | ffmpeg-13743c7ab00be270a3a38c8ee6442336774e335c.tar.gz | |
ARM: jrevdct_arm: use push/pop mnemonics
Use push/pop instead of stmdb/ldmia for stack operations. This
is the preferred syntax.
Signed-off-by: Mans Rullgard <mans@mansr.com>
| -rw-r--r-- | libavcodec/arm/jrevdct_arm.S | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/libavcodec/arm/jrevdct_arm.S b/libavcodec/arm/jrevdct_arm.S index f7fd5c7bde..08d42d7758 100644 --- a/libavcodec/arm/jrevdct_arm.S +++ b/libavcodec/arm/jrevdct_arm.S @@ -56,7 +56,7 @@ #define FIX_0xFFFF_ID 48 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 str r0, [ sp ] @ save the DCT pointer to the stack @@ -99,7 +99,7 @@ row_loop: add r4, r6, r3, lsl #13 @ r4 = tmp11 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 r5, [lr, #12] @ r5 = 'd5' @@ -133,8 +133,8 @@ row_loop: add r3, r3, r4 @ r3 = tmp2 add r1, r1, r6 @ r1 = tmp3 - ldmia sp!, { r0, r2, r4, r6 } @ r0 = tmp10 / r2 = tmp13 / r4 = tmp12 / r6 = tmp11 - @ r1 = tmp3 / r3 = tmp2 / r5 = tmp1 / r7 = tmp0 + pop {r0, r2, r4, r6} @ r0 = tmp10 / r2 = tmp13 / r4 = tmp12 / r6 = tmp11 + @ r1 = tmp3 / r3 = tmp2 / r5 = tmp1 / r7 = tmp0 @ Compute DESCALE(tmp10 + tmp3, CONST_BITS-PASS1_BITS) add r8, r0, r1 @@ -242,7 +242,7 @@ column_loop: orrs r10, r9, r10 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 r2, r1, r7 @ r2 = 'z1' @@ -272,8 +272,8 @@ column_loop: add r3, r3, r4 @ r3 = tmp2 add r1, r1, r6 @ r1 = tmp3 - ldmia sp!, { r0, r2, r4, r6 } @ r0 = tmp10 / r2 = tmp13 / r4 = tmp11 / r6 = tmp12 - @ r1 = tmp3 / r3 = tmp2 / r5 = tmp1 / r7 = tmp0 + pop {r0, r2, r4, r6} @ r0 = tmp10 / r2 = tmp13 / r4 = tmp11 / r6 = tmp12 + @ r1 = tmp3 / r3 = tmp2 / r5 = tmp1 / r7 = tmp0 @ Compute DESCALE(tmp10 + tmp3, CONST_BITS+PASS1_BITS+3) add r8, r0, r1 @@ -366,7 +366,7 @@ empty_odd_column: the_end: @ The end.... add sp, sp, #4 - ldmia sp!, { r4 - r12, pc } @ restore callee saved regs and return + pop {r4 - r12, pc} endfunc const const_array |