Begin on SV for mp3_0

diff --git a/media/audio/mp3/mp3_0_apply_window_float_basicsv.s b/media/audio/mp3/mp3_0_apply_window_float_basicsv.s
new file mode 100644 (file)
index 0000000..6d6c89e
--- /dev/null
+++ b/media/audio/mp3/mp3_0_apply_window_float_basicsv.s
@@ -0,0 +1,57 @@
+# ffmpeg lgpl 2.1 or later
+
+# ints
+.set buf, 3
+.set win, 4
+.set out, 6
+.set incr, 7
+
+.set p, 5
+.set i, 8
+
+# floats
+.set sum, 0
+
+       .machine power9
+       .abiversion 2
+       .section        ".text"
+       .align 2
+       .p2align 4,,15
+       .globl ff_mpadsp_apply_window_float_sv
+       .type   ff_mpadsp_apply_window_float_sv, @function
+ff_mpadsp_apply_window_float_sv:
+.LCF0:
+       addis 2,12,.TOC.-.LCF0@ha
+       addi 2,2,.TOC.-.LCF0@l
+
+       addis 9,2,.LC0@toc@ha
+       addi 9,9,.LC0@toc@l
+
+       slwi incr, incr, 2 # incr *= 4, sizeof float
+
+       # Loop 32 times
+       li 0, 32
+       mtctr 0
+       li i, 0
+.Lloop:
+               lfiwax sum, 0, 9 # zero it
+               addi p, buf, 64
+               add p, p, i
+               # SUM8(MACS, sum, w, p) TODO
+               addi p, buf, 192
+               subf p, i, p
+               # SUM8(MLSS, sum, w + 32, p) TODO
+               stfs sum, 0(out)
+               add out, out, incr
+               addi i, i, 4
+               addi win, win, 4
+       bdnz .Lloop
+
+       blr
+
+       .size   ff_mpadsp_apply_window_float_sv,.-ff_mpadsp_apply_window_float_sv
+
+       .section        .rodata
+       .align 2
+       .LC0:
+       .long   0