Mesa (gallium-0.2): gallium: added SSE for DP2, DP2A
Brian Paul
brianp at kemper.freedesktop.org
Fri Nov 7 20:03:31 UTC 2008
Module: Mesa
Branch: gallium-0.2
Commit: a52a6d7bcdaa47604151b9af07ebcd394316e784
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a52a6d7bcdaa47604151b9af07ebcd394316e784
Author: Brian Paul <brian.paul at tungstengraphics.com>
Date: Fri Nov 7 13:03:07 2008 -0700
gallium: added SSE for DP2, DP2A
---
src/gallium/auxiliary/tgsi/tgsi_sse2.c | 24 ++++++++++++++++++++++--
1 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
index 3df0c5d..b8e4ab6 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
@@ -1742,7 +1742,18 @@ emit_instruction(
case TGSI_OPCODE_DOT2ADD:
/* TGSI_OPCODE_DP2A */
- return 0;
+ FETCH( func, *inst, 0, 0, CHAN_X ); /* xmm0 = src[0].x */
+ FETCH( func, *inst, 1, 1, CHAN_X ); /* xmm1 = src[1].x */
+ emit_mul( func, 0, 1 ); /* xmm0 = xmm0 * xmm1 */
+ FETCH( func, *inst, 1, 0, CHAN_Y ); /* xmm1 = src[0].y */
+ FETCH( func, *inst, 2, 1, CHAN_Y ); /* xmm2 = src[1].y */
+ emit_mul( func, 1, 2 ); /* xmm1 = xmm1 * xmm2 */
+ emit_add( func, 0, 1 ); /* xmm0 = xmm0 + xmm1 */
+ FETCH( func, *inst, 1, 2, CHAN_X ); /* xmm1 = src[2].x */
+ emit_add( func, 0, 1 ); /* xmm0 = xmm0 + xmm1 */
+ FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
+ STORE( func, *inst, 0, 0, chan_index ); /* dest[ch] = xmm0 */
+ }
break;
case TGSI_OPCODE_INDEX:
@@ -2084,7 +2095,16 @@ emit_instruction(
break;
case TGSI_OPCODE_DP2:
- return 0;
+ FETCH( func, *inst, 0, 0, CHAN_X ); /* xmm0 = src[0].x */
+ FETCH( func, *inst, 1, 1, CHAN_X ); /* xmm1 = src[1].x */
+ emit_mul( func, 0, 1 ); /* xmm0 = xmm0 * xmm1 */
+ FETCH( func, *inst, 1, 0, CHAN_Y ); /* xmm1 = src[0].y */
+ FETCH( func, *inst, 2, 1, CHAN_Y ); /* xmm2 = src[1].y */
+ emit_mul( func, 1, 2 ); /* xmm1 = xmm1 * xmm2 */
+ emit_add( func, 0, 1 ); /* xmm0 = xmm0 + xmm1 */
+ FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
+ STORE( func, *inst, 0, 0, chan_index ); /* dest[ch] = xmm0 */
+ }
break;
case TGSI_OPCODE_TXL:
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