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author | Chris Chua <someone42@gmail.com> | 2023-03-19 06:22:08 +1100 |
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committer | Aidan MacDonald <amachronic@protonmail.com> | 2023-03-23 13:28:22 -0400 |
commit | 86429dbf1eca8ee0e08176997f508647c3abf6bd (patch) | |
tree | 4d35e56e338a326d1a04c8d1f620821fa7909678 /lib/rbcodec/dsp/dsp_arm.S | |
parent | a64cad847e7d24dc4d01d5ab22f6c8dc42f960ae (diff) | |
download | rockbox-86429dbf1eca8ee0e08176997f508647c3abf6bd.tar.gz rockbox-86429dbf1eca8ee0e08176997f508647c3abf6bd.zip |
Using ARM Unified Assembler Language
Change-Id: Iae32a8ba8eff6087330e458fafc912a12fee4509
Diffstat (limited to 'lib/rbcodec/dsp/dsp_arm.S')
-rw-r--r-- | lib/rbcodec/dsp/dsp_arm.S | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/rbcodec/dsp/dsp_arm.S b/lib/rbcodec/dsp/dsp_arm.S index 16394b8690..864abee4b6 100644 --- a/lib/rbcodec/dsp/dsp_arm.S +++ b/lib/rbcodec/dsp/dsp_arm.S | |||
@@ -323,7 +323,7 @@ resample_hermite: | |||
323 | add r6, r6, r0, lsl #2 @ r6 = &s[pos] | 323 | add r6, r6, r0, lsl #2 @ r6 = &s[pos] |
324 | 324 | ||
325 | cmp r0, #3 @ pos >= 3? history not needed | 325 | cmp r0, #3 @ pos >= 3? history not needed |
326 | ldmgedb r6, { r1-r3 } @ x3..x1 = s[pos-3]..s[pos-1] | 326 | ldmdbge r6, { r1-r3 } @ x3..x1 = s[pos-3]..s[pos-1] |
327 | bge .hrs_loadhist_done @ | 327 | bge .hrs_loadhist_done @ |
328 | add r10, r0, r0, lsl #1 @ branch pc + pos*12 | 328 | add r10, r0, r0, lsl #1 @ branch pc + pos*12 |
329 | add pc, pc, r10, lsl #2 @ | 329 | add pc, pc, r10, lsl #2 @ |
@@ -496,7 +496,7 @@ resample_hermite: | |||
496 | ldmfd sp!, { r10, r12 } @ recover ch, h | 496 | ldmfd sp!, { r10, r12 } @ recover ch, h |
497 | subs r10, r10, #1 @ --ch | 497 | subs r10, r10, #1 @ --ch |
498 | stmia r12!, { r1-r3 } @ h[0..2] = x3..x1 | 498 | stmia r12!, { r1-r3 } @ h[0..2] = x3..x1 |
499 | ldmgtia sp, { r0-r2 } @ load data, src, dst | 499 | ldmiagt sp, { r0-r2 } @ load data, src, dst |
500 | bgt .hrs_channel_loop | 500 | bgt .hrs_channel_loop |
501 | 501 | ||
502 | ldmfd sp!, { r1-r3 } @ pop data, src, dst | 502 | ldmfd sp!, { r1-r3 } @ pop data, src, dst |
@@ -614,7 +614,7 @@ filter_process: | |||
614 | ldr r0, [sp] @ r0 = history[channels-ch-1] | 614 | ldr r0, [sp] @ r0 = history[channels-ch-1] |
615 | subs r3, r3, #1 @ all channels processed? | 615 | subs r3, r3, #1 @ all channels processed? |
616 | stmia r0!, { r9-r12 } @ save back history, history++ | 616 | stmia r0!, { r9-r12 } @ save back history, history++ |
617 | ldmhsib sp, { r1-r2 } @ r1 = buf, r2 = count | 617 | ldmibhs sp, { r1-r2 } @ r1 = buf, r2 = count |
618 | strhs r3, [sp, #12] @ store ch | 618 | strhs r3, [sp, #12] @ store ch |
619 | strhs r0, [sp] @ store history[channels-ch-1] | 619 | strhs r0, [sp] @ store history[channels-ch-1] |
620 | bhs .fp_channelloop | 620 | bhs .fp_channelloop |