>From 01bf1bee748d5f05199644fd8eb316902c53ac75 Mon Sep 17 00:00:00 2001 From: kui zheng <kui.zh...@arm.com> Date: Wed, 16 Nov 2011 16:15:30 +0800 Subject: [PATCH] generic: Add NEON verion of Sacc_add_to_Dacc
Signed-off-by: kui zheng <kui.zh...@arm.com>
---
src/gfx/generic/generic.c | 2 +-
src/gfx/generic/generic_neon.h | 64 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 65 insertions(+), 1 deletions(-)
diff --git a/src/gfx/generic/generic.c b/src/gfx/generic/generic.c
index 246761c..d6b3b5c 100644
--- a/src/gfx/generic/generic.c
+++ b/src/gfx/generic/generic.c
@@ -9662,7 +9662,7 @@ static void gInit_NEON( void )
Sop_PFI_to_Dacc[DFB_PIXELFORMAT_INDEX(DSPF_ARGB )] =
Sop_argb_to_Dacc_NEON;
/********************************* misc accumulator operations ****************/
SCacc_add_to_Dacc = SCacc_add_to_Dacc_NEON;
-
+ Sacc_add_to_Dacc = Sacc_add_to_Dacc_NEON;
}
#endif
diff --git a/src/gfx/generic/generic_neon.h b/src/gfx/generic/generic_neon.h
index 4f1a5d8..6498638 100644
--- a/src/gfx/generic/generic_neon.h
+++ b/src/gfx/generic/generic_neon.h
@@ -316,3 +316,67 @@ static void SCacc_add_to_Dacc_NEON ( GenefxState *gfxs )
}
}
+/*
+ * NEON verion of Sacc_add_to_Dacc.
+ */
+static void Sacc_add_to_Dacc_NEON ( GenefxState *gfxs )
+{
+ int w = gfxs->length;
+ GenefxAccumulator *D = gfxs->Dacc;
+ GenefxAccumulator *S = gfxs->Sacc;
+ unsigned int loop = w >> 3;
+ unsigned int single = w & 0x7;
+ u16 maska = 0xf000;
+
+ while (single) {
+ if (!(D->RGB.a & 0xF000)) {
+ D->RGB.a += S->RGB.a;
+ D->RGB.r += S->RGB.r;
+ D->RGB.g += S->RGB.g;
+ D->RGB.b += S->RGB.b;
+ }
+ D++;
+ S++;
+ single--;
+ }
+ if (loop) {
+ __asm__ __volatile__ (
+ "mov r4, %[D] \n\t"
+ "mov r5, %[S] \n\t"
+ "mov r6, %[D] \n\t"
+ "vdup.16 q8, %[maska] \n\t"
+ "1: \n\t"
+ "pld [r4, #0xC0] \n\t"
+ "pld [r4, #0x100] \n\t"
+ "vld4.16 {d8, d10, d12, d14}, [r4]! \n\t"
+ "vld4.16 {d9, d11, d13, d15}, [r4]! \n\t"
+ "pld [r5, #0xC0] \n\t"
+ "pld [r5, #0x100] \n\t"
+ "vld4.16 {d0, d2, d4, d6}, [r5]! \n\t"
+ "vld4.16 {d1, d3, d5, d7}, [r5]! \n\t"
+
+ "vand q9, q7, q8 \n\t"
+ "vceq.i16 q9, q9, #0 \n\t"
+
+ "vand q0, q9, q0 \n\t"
+ "vand q1, q9, q1 \n\t"
+ "vand q2, q9, q2 \n\t"
+ "vand q3, q9, q3 \n\t"
+ "vadd.i16 q4, q4, q0 \n\t"
+ "vadd.i16 q5, q5, q1 \n\t"
+ "vadd.i16 q6, q6, q2 \n\t"
+ "vadd.i16 q7, q7, q3 \n\t"
+ "vst4.16 {d8, d10, d12, d14}, [r6]! \n\t"
+ "vst4.16 {d9, d11, d13, d15}, [r6]! \n\t"
+ "subs %[loop], %[loop], #1 \n\t"
+ "bne 1b "
+ :
+ : [S] "r" (S), [D] "r" (D), [maska] "r" (maska), [loop] "r"
(loop)
+ : "memory", "r4", "r5", "r6", "d0", "d1", "d2", "d3", "d4",
"d5",
+ "d6", "d7", "d8", "d9", "d10", "d11", "d12", "d13", "d14",
"d15",
+ "d16", "d17", "d18", "d19", "d20", "d21", "d22", "d23", "d24",
+ "d25", "d26", "d27"
+ );
+ }
+}
+
--
1.7.1
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0006-generic-Add-NEON-verion-of-Sacc_add_to_Dacc.patch
Description: 0006-generic-Add-NEON-verion-of-Sacc_add_to_Dacc.patch
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