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From: Wim Taymans
Date: Wed, 7 Jan 2015 11:20:01 +0100
Subject: [PATCH] svolume.orc: avoid parameter loading undefined behaviour
In some cases, depending on the instruction that performs the load, orc
ignores the size of the parameter when loading it for the first time.
Explicitly load the parameter into a temp to make sure it is loaded
correctly, like we do for the 2ch case.
See https://bugzilla.gnome.org/show_bug.cgi?id=742271
---
src/pulsecore/svolume.orc | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/pulsecore/svolume.orc b/src/pulsecore/svolume.orc
index 0edbefb..f869893 100644
--- a/src/pulsecore/svolume.orc
+++ b/src/pulsecore/svolume.orc
@@ -45,13 +45,15 @@
.function pa_volume_s16ne_orc_1ch
.dest 2 samples int16_t
-.param 4 v int32_t
+.param 4 vols int32_t
+.temp 4 v
.temp 2 vh
.temp 4 s
.temp 4 mh
.temp 4 ml
.temp 4 signc
+loadpl v, vols
convuwl s, samples
x2 cmpgtsw signc, 0, s
x2 andw signc, signc, v
--
1.9.3
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