From ecd343aa1ffbbfddac937b708d111c88159ee5f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Tue, 10 Jan 2017 00:15:14 +0200
Subject: [PATCH] arm: vp9itxfm: Only reload the idct coeffs for the iadst_idct
combination
This avoids reloading them if they haven't been clobbered, if the
first pass also was idct.
This is similar to what was done in the aarch64 version.
This is cherrypicked from libav commit
3c87039a404c5659ae9bf7454a04e186532eb40b.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/arm/vp9itxfm_neon.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/arm/vp9itxfm_neon.S b/libavcodec/arm/vp9itxfm_neon.S
index 0097f5ff967..d5b849509e1 100644
--- a/libavcodec/arm/vp9itxfm_neon.S
+++ b/libavcodec/arm/vp9itxfm_neon.S
@@ -814,7 +814,7 @@ A and r7, sp, #15
mov r3, #\i
bl \txfm1\()16_1d_4x16_pass1_neon
.endr
-.ifc \txfm2,idct
+.ifc \txfm1\()_\txfm2,iadst_idct
movrel r12, idct_coeffs
vld1.16 {q0-q1}, [r12,:128]
.endif
--
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