From ab3df357371b1d6edec187fa4bda93bc844af53d Mon Sep 17 00:00:00 2001
From: Lauri Kasanen <cand@gmx.com>
Date: Fri, 28 May 2021 19:26:50 +0300
Subject: [PATCH] Begin on SV for mp3_0

---
 .../mp3/mp3_0_apply_window_float_basicsv.s    | 57 +++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 media/audio/mp3/mp3_0_apply_window_float_basicsv.s

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
index 00000000..6d6c89e7
--- /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
-- 
2.30.2