From 03c8b15f554823411d12d98724e202011fe184bc Mon Sep 17 00:00:00 2001 From: Michael Sevakis Date: Mon, 19 Feb 2007 03:29:37 +0000 Subject: [PATCH] Code police myself. Somehow got that full of tabs. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12401 a1c6a512-1295-4272-9138-f99709370657 --- apps/dsp_cf.S | 214 +++++++++++++++++++++++++------------------------- 1 file changed, 107 insertions(+), 107 deletions(-) diff --git a/apps/dsp_cf.S b/apps/dsp_cf.S index 233be82860..d832b9f0e8 100644 --- a/apps/dsp_cf.S +++ b/apps/dsp_cf.S @@ -20,8 +20,8 @@ /**************************************************************************** * apply_crossfeed(int32_t* src[], int count) */ - .section .text - .global apply_crossfeed + .section .text + .global apply_crossfeed apply_crossfeed: lea.l (-44, %sp), %sp movem.l %d2-%d7/%a2-%a6, (%sp) | save all regs @@ -85,137 +85,137 @@ apply_crossfeed: lea.l (44, %sp), %sp rts .cfend: - .size apply_crossfeed,.cfend-apply_crossfeed + .size apply_crossfeed,.cfend-apply_crossfeed /**************************************************************************** * dsp_downsample(int channels, int count, struct resample_data *r, * in32_t **src, int32_t **dst) */ - .section .text - .global dsp_downsample + .section .text + .global dsp_downsample dsp_downsample: - lea.l -40(%sp), %sp | save non-clobberables - movem.l %d2-%d7/%a2-%a5, (%sp) | - movem.l 44(%sp), %d2-%d3/%a0-%a2| %d2 = ch = channels + lea.l -40(%sp), %sp | save non-clobberables + movem.l %d2-%d7/%a2-%a5, (%sp) | + movem.l 44(%sp), %d2-%d3/%a0-%a2| %d2 = ch = channels | %d3 = count | %a0 = r - | %a1 = src - | %a2 = dst - move.l 4(%a0), %d4 | %d4 = delta = r->delta - move.l #16, %d7 | %d7 = shift + | %a1 = src + | %a2 = dst + move.l 4(%a0), %d4 | %d4 = delta = r->delta + move.l #16, %d7 | %d7 = shift .dschannel_loop: - move.l (%a0), %d5 | %d5 = phase = r->phase - move.l -4(%a1, %d2.l*4), %a3 | %a3 = s = src[ch-1] - move.l -4(%a2, %d2.l*4), %a4 | %a4 = d = dst[ch-1] - lea.l 4(%a0, %d2.l*4), %a5 | %a5 = &r->last_sample[ch-1] - move.l (%a5), %d0 | %d0 = last = r->last_sample[ch-1] - move.l -4(%a3, %d3.l*4), %d1 | r->last_sample[ch-1] = s[count-1] - move.l %d1, (%a5) | - move.l %d5, %d6 | %d6 = pos = phase >> 16 - lsr.l %d7, %d6 | - cmp.l %d3, %d6 | past end of samples? - bge.b .dsloop_skip | yes? skip loop - tst.l %d6 | need last sample of prev. frame? - bne.b .dsloop | no? start main loop - move.l (%a3, %d6.l*4), %d1 | %d1 = s[pos] - bra.b .dsuse_last_start | start with last (last in %d0) + move.l (%a0), %d5 | %d5 = phase = r->phase + move.l -4(%a1, %d2.l*4), %a3 | %a3 = s = src[ch-1] + move.l -4(%a2, %d2.l*4), %a4 | %a4 = d = dst[ch-1] + lea.l 4(%a0, %d2.l*4), %a5 | %a5 = &r->last_sample[ch-1] + move.l (%a5), %d0 | %d0 = last = r->last_sample[ch-1] + move.l -4(%a3, %d3.l*4), %d1 | r->last_sample[ch-1] = s[count-1] + move.l %d1, (%a5) | + move.l %d5, %d6 | %d6 = pos = phase >> 16 + lsr.l %d7, %d6 | + cmp.l %d3, %d6 | past end of samples? + bge.b .dsloop_skip | yes? skip loop + tst.l %d6 | need last sample of prev. frame? + bne.b .dsloop | no? start main loop + move.l (%a3, %d6.l*4), %d1 | %d1 = s[pos] + bra.b .dsuse_last_start | start with last (last in %d0) .dsloop: - lea.l -4(%a3, %d6.l*4), %a5 | load s[pos-1] and s[pos] - movem.l (%a5), %d0-%d1 | + lea.l -4(%a3, %d6.l*4), %a5 | load s[pos-1] and s[pos] + movem.l (%a5), %d0-%d1 | .dsuse_last_start: - sub.l %d0, %d1 | %d1 = diff = s[pos] - s[pos-1] - move.l %d0, %acc0 | %acc0 = previous sample - move.l %d5, %d0 | frac = (phase << 16) >> 1 - lsl.l %d7, %d0 | - lsr.l #1, %d0 | - mac.l %d0, %d1, %acc0 | %acc0 += frac * diff - move.l %acc0, %d0 | - add.l %d4, %d5 | phase += delta - move.l %d5, %d6 | pos = phase >> 16 - lsr.l %d7, %d6 | - move.l %d0, (%a4)+ | *d++ = %d0 - cmp.l %d3, %d6 | pos < count? - blt.b .dsloop | yes? continue resampling + sub.l %d0, %d1 | %d1 = diff = s[pos] - s[pos-1] + move.l %d0, %acc0 | %acc0 = previous sample + move.l %d5, %d0 | frac = (phase << 16) >> 1 + lsl.l %d7, %d0 | + lsr.l #1, %d0 | + mac.l %d0, %d1, %acc0 | %acc0 += frac * diff + move.l %acc0, %d0 | + add.l %d4, %d5 | phase += delta + move.l %d5, %d6 | pos = phase >> 16 + lsr.l %d7, %d6 | + move.l %d0, (%a4)+ | *d++ = %d0 + cmp.l %d3, %d6 | pos < count? + blt.b .dsloop | yes? continue resampling .dsloop_skip: - subq.l #1, %d2 | ch > 0? - bgt.b .dschannel_loop | yes? process next channel - asl.l %d7, %d3 | wrap phase to start of next frame - sub.l %d3, %d5 | r->phase = phase - (count << 16) - move.l %d5, (%a0) | - move.l %a4, %d0 | return d - d[0] - sub.l (%a2), %d0 | - asr.l #2, %d0 | convert bytes->samples - movem.l (%sp), %d2-%d7/%a2-%a5 | restore non-clobberables - move.l %acc1, %acc0 | clear %acc0 - lea.l 40(%sp), %sp | cleanup stack - rts | buh-bye + subq.l #1, %d2 | ch > 0? + bgt.b .dschannel_loop | yes? process next channel + asl.l %d7, %d3 | wrap phase to start of next frame + sub.l %d3, %d5 | r->phase = phase - (count << 16) + move.l %d5, (%a0) | + move.l %a4, %d0 | return d - d[0] + sub.l (%a2), %d0 | + asr.l #2, %d0 | convert bytes->samples + movem.l (%sp), %d2-%d7/%a2-%a5 | restore non-clobberables + move.l %acc1, %acc0 | clear %acc0 + lea.l 40(%sp), %sp | cleanup stack + rts | buh-bye .dsend: - .size dsp_downsample,.dsend-dsp_downsample + .size dsp_downsample,.dsend-dsp_downsample /**************************************************************************** * dsp_upsample(int channels, int count, struct resample_data *r, * in32_t **src, int32_t **dst) */ - .section .text - .global dsp_upsample + .section .text + .global dsp_upsample dsp_upsample: - lea.l -40(%sp), %sp | save non-clobberables - movem.l %d2-%d7/%a2-%a5, (%sp) | - movem.l 44(%sp), %d2-%d3/%a0-%a2| %d2 = ch = channels + lea.l -40(%sp), %sp | save non-clobberables + movem.l %d2-%d7/%a2-%a5, (%sp) | + movem.l 44(%sp), %d2-%d3/%a0-%a2| %d2 = ch = channels | %d3 = count | %a0 = r - | %a1 = src - | %a2 = dst - move.l 4(%a0), %d4 | %d4 = delta = r->delta - swap %d4 | swap delta to high word to use + | %a1 = src + | %a2 = dst + move.l 4(%a0), %d4 | %d4 = delta = r->delta + swap %d4 | swap delta to high word to use | carries to increment position .uschannel_loop: - move.l (%a0), %d5 | %d5 = phase = r->phase - move.l -4(%a1, %d2.l*4), %a3 | %a3 = s = src[ch-1] - move.l -4(%a2, %d2.l*4), %a4 | %a4 = d = dst[ch-1] - lea.l 4(%a0, %d2.l*4), %a5 | %a5 = &r->last_sample[ch-1] - move.l (%a5), %d0 | %d0 = last = r->last_sample[ch-1] - move.l -4(%a3, %d3.l*4), %d1 | r->last_sample[ch-1] = s[count-1] - move.l %d1, (%a5) | - moveq.l #16, %d1 | %d0 = shift - move.l %d5, %d6 | %d6 = pos = phase >> 16 - lsl.l %d1, %d5 | swap phase to high word to use + move.l (%a0), %d5 | %d5 = phase = r->phase + move.l -4(%a1, %d2.l*4), %a3 | %a3 = s = src[ch-1] + move.l -4(%a2, %d2.l*4), %a4 | %a4 = d = dst[ch-1] + lea.l 4(%a0, %d2.l*4), %a5 | %a5 = &r->last_sample[ch-1] + move.l (%a5), %d0 | %d0 = last = r->last_sample[ch-1] + move.l -4(%a3, %d3.l*4), %d1 | r->last_sample[ch-1] = s[count-1] + move.l %d1, (%a5) | + moveq.l #16, %d1 | %d0 = shift + move.l %d5, %d6 | %d6 = pos = phase >> 16 + lsl.l %d1, %d5 | swap phase to high word to use | carries to increment position - lsr.l %d1, %d6 | pos == 0? - bne.b .usstart_1 | no? transistion from down - move.l (%a3), %d1 | %d1 = s[0] - sub.l %d0, %d1 | diff = s[pos] - last - bra.b .usloop_0 | jump to typical start point + lsr.l %d1, %d6 | pos == 0? + bne.b .usstart_1 | no? transistion from down + move.l (%a3), %d1 | %d1 = s[0] + sub.l %d0, %d1 | diff = s[pos] - last + bra.b .usloop_0 | jump to typical start point .usstart_1: - cmp.l %d3, %d6 | past end of samples? - bge.b .usloop_skip | yes? skip loop + cmp.l %d3, %d6 | past end of samples? + bge.b .usloop_skip | yes? skip loop .usloop_1: - lea.l -4(%a3, %d6.l*4), %a5 | load s[pos-1] and s[pos] - movem.l (%a5), %d0-%d1 | - sub.l %d0, %d1 | %d1 = diff = s[pos] - s[pos-1] + lea.l -4(%a3, %d6.l*4), %a5 | load s[pos-1] and s[pos] + movem.l (%a5), %d0-%d1 | + sub.l %d0, %d1 | %d1 = diff = s[pos] - s[pos-1] .usloop_0: - move.l %d0, %acc0 | %acc0 = previous sample - lsr.l #1, %d5 | make phase into frac - mac.l %d1, %d5, %acc0 | %acc0 += diff * frac - move.l %acc0, %d7 | - lsl.l #1, %d5 | restore frac to phase - move.l %d7, (%a4)+ | *d++ = %d0 - add.l %d4, %d5 | phase += delta - bcc.b .usloop_0 | load next values? - addq.l #1, %d6 | increment position - cmp.l %d3, %d6 | pos < count? - blt.b .usloop_1 | yes? continue resampling + move.l %d0, %acc0 | %acc0 = previous sample + lsr.l #1, %d5 | make phase into frac + mac.l %d1, %d5, %acc0 | %acc0 += diff * frac + move.l %acc0, %d7 | + lsl.l #1, %d5 | restore frac to phase + move.l %d7, (%a4)+ | *d++ = %d0 + add.l %d4, %d5 | phase += delta + bcc.b .usloop_0 | load next values? + addq.l #1, %d6 | increment position + cmp.l %d3, %d6 | pos < count? + blt.b .usloop_1 | yes? continue resampling .usloop_skip: - subq.l #1, %d2 | ch > 0? - bgt.b .uschannel_loop | yes? process next channel - swap %d5 | wrap phase to start of next frame - move.l %d5, (%a0) | ...and save in r->phase - move.l %a4, %d0 | return d - d[0] - sub.l (%a2), %d0 | - asr.l #2, %d0 | convert bytes->samples - movem.l (%sp), %d2-%d7/%a2-%a5 | restore non-clobberables - move.l %acc1, %acc0 | clear %acc0 - lea.l 40(%sp), %sp | cleanup stack - rts | buh-bye + subq.l #1, %d2 | ch > 0? + bgt.b .uschannel_loop | yes? process next channel + swap %d5 | wrap phase to start of next frame + move.l %d5, (%a0) | ...and save in r->phase + move.l %a4, %d0 | return d - d[0] + sub.l (%a2), %d0 | + asr.l #2, %d0 | convert bytes->samples + movem.l (%sp), %d2-%d7/%a2-%a5 | restore non-clobberables + move.l %acc1, %acc0 | clear %acc0 + lea.l 40(%sp), %sp | cleanup stack + rts | buh-bye .usend: - .size dsp_upsample,.usend-dsp_upsample + .size dsp_upsample,.usend-dsp_upsample