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memcpy_tointerleave allow AUDIO_BLOCK_SAMPLES == 4 #420

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memcpy_tointerleave allow AUDIO_BLOCK_SAMPLES == 4 #420

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15 changes: 13 additions & 2 deletions memcpy_audio.S
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Original file line number Diff line number Diff line change
Expand Up @@ -85,7 +85,18 @@
pkhtb r6,r8,r7,ASR #16

stmia r0!, {r3,r4,r5,r6}
pop {r4-r8,r14}
pop {r4-r8,r14}
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I actually don't believe need to push & pop r14 for AUDIO_BLOCK_SAMPLES == 8 or AUDIO_BLOCK_SAMPLES == 4.

#elif AUDIO_BLOCK_SAMPLES == 4
push {r4-r6,r14}

ldmia r1!, {r5}
ldmia r2!, {r6}

pkhbt r3,r5,r6,LSL #16
pkhtb r4,r6,r5,ASR #16

stmia r0!, {r3,r4}
pop {r4-r6,r14}
#endif
BX lr

Expand Down Expand Up @@ -146,7 +157,7 @@
BX lr


/* void memcpy_tointerleaveL(short *dst, short *srcR); */
/* void memcpy_tointerleaveR(short *dst, short *srcR); */
.global memcpy_tointerleaveR
.thumb_func
memcpy_tointerleaveR:
Expand Down