From 3c4e9e341f9f5f9ed875b0a974f91bd1d2931e0f Mon Sep 17 00:00:00 2001
From: Dmitry Kovalev <dkovalev@google.com>
Date: Tue, 1 Oct 2013 18:34:36 -0700
Subject: [PATCH] Adding SSE2 optimized vp9_short_idct32x32_1_add function.
Change-Id: I4b1c6bb9ff615f5872b96ed07dbf0f5e18e63643
---
vp9/common/vp9_rtcd_defs.sh | 2 +-
vp9/common/x86/vp9_idct_intrin_sse2.c | 48 +++++++++++++++++++++++++++
2 files changed, 49 insertions(+), 1 deletion(-)
diff --git a/vp9/common/vp9_rtcd_defs.sh b/vp9/common/vp9_rtcd_defs.sh
index 8dacdd00d8..225305b19a 100644
--- a/vp9/common/vp9_rtcd_defs.sh
+++ b/vp9/common/vp9_rtcd_defs.sh
@@ -311,7 +311,7 @@ prototype void vp9_short_idct32x32_add "int16_t *input, uint8_t *dest, int dest_
specialize vp9_short_idct32x32_add sse2 neon
prototype void vp9_short_idct32x32_1_add "int16_t *input, uint8_t *dest, int dest_stride"
-specialize vp9_short_idct32x32_1_add
+specialize vp9_short_idct32x32_1_add sse2
prototype void vp9_short_iht4x4_add "int16_t *input, uint8_t *dest, int dest_stride, int tx_type"
specialize vp9_short_iht4x4_add sse2 neon
diff --git a/vp9/common/x86/vp9_idct_intrin_sse2.c b/vp9/common/x86/vp9_idct_intrin_sse2.c
index 9e9d632b37..d00993c479 100644
--- a/vp9/common/x86/vp9_idct_intrin_sse2.c
+++ b/vp9/common/x86/vp9_idct_intrin_sse2.c
@@ -3549,3 +3549,51 @@ void vp9_short_idct32x32_add_sse2(int16_t *input, uint8_t *dest, int stride) {
}
}
} //NOLINT
+
+void vp9_short_idct32x32_1_add_sse2(int16_t *input, uint8_t *dest, int stride) {
+ __m128i dc_value;
+ const __m128i zero = _mm_setzero_si128();
+ int a, i;
+
+ a = dct_const_round_shift(input[0] * cospi_16_64);
+ a = dct_const_round_shift(a * cospi_16_64);
+ a = ROUND_POWER_OF_TWO(a, 6);
+
+ dc_value = _mm_set1_epi16(a);
+
+ for (i = 0; i < 4; ++i) {
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ RECON_AND_STORE(dest, dc_value);
+ dest += 8 - (stride * 32);
+ }
+}
--
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