From e3fc210a4f93c41cd3d1601dd1c937388f117d97 Mon Sep 17 00:00:00 2001 From: Tom Stellard Date: Tue, 7 Sep 2010 10:22:16 -0700 Subject: r300/compiler: Fix dataflow bug in presub_helper() --- src/mesa/drivers/dri/r300/compiler/radeon_optimize.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/mesa') diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c index 53efbba4c5..88aac949a1 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c @@ -590,6 +590,8 @@ static int presub_helper( if (inst->U.I.DstReg.WriteMask & src_reads_dst_mask(s->Inst->U.I.SrcReg[1], inst->U.I.DstReg) + || src_reads_dst_mask(s->Inst->U.I.SrcReg[0], + inst->U.I.DstReg) || info->IsFlowControl) { cant_sub = 1; } -- cgit v1.2.3