From e8d6b2793ff3907d3646eeaceaa00e2a04728e67 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Fri, 5 Nov 2010 08:49:53 -0600
Subject: gallivm: alloca() was called too often for temporary arrays
Need to increment the array index to point to the last value.
Before, we were calling lp_build_array_alloca() over and over for
no reason.
---
src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 2 ++
1 file changed, 2 insertions(+)
(limited to 'src/gallium/auxiliary/gallivm')
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index a74cefd41e..897b09ff22 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -1189,10 +1189,12 @@ emit_declaration(
case TGSI_FILE_TEMPORARY:
assert(idx < LP_MAX_TGSI_TEMPS);
if (bld->indirect_files & (1 << TGSI_FILE_TEMPORARY)) {
+ /* ignore 'first' - we want to index into a 0-based array */
LLVMValueRef array_size = LLVMConstInt(LLVMInt32Type(),
last*4 + 4, 0);
bld->temps_array = lp_build_array_alloca(bld->base.builder,
vec_type, array_size, "temparray");
+ idx = last;
} else {
for (i = 0; i < NUM_CHANNELS; i++)
bld->temps[idx][i] = lp_build_alloca(bld->base.builder,
--
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