From 2ec419d40dba43305c28fca9658ea00541f67821 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Tue, 27 May 2008 17:45:54 +0100 Subject: [PATCH] draw: fix ABS aliasing bug --- src/gallium/auxiliary/draw/draw_vs_aos.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/gallium/auxiliary/draw/draw_vs_aos.c b/src/gallium/auxiliary/draw/draw_vs_aos.c index e2e96470f72..1c63677e6ec 100644 --- a/src/gallium/auxiliary/draw/draw_vs_aos.c +++ b/src/gallium/auxiliary/draw/draw_vs_aos.c @@ -964,12 +964,13 @@ static boolean emit_ABS( struct aos_compilation *cp, const struct tgsi_full_inst { struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]); struct x86_reg neg = aos_get_internal(cp, IMM_NEGS); - struct x86_reg dst = get_xmm_writable(cp, arg0); + struct x86_reg tmp = aos_get_xmm_reg(cp); - sse_mulps(cp->func, dst, neg); - sse_maxps(cp->func, dst, arg0); + sse_movaps(cp->func, tmp, arg0); + sse_mulps(cp->func, tmp, neg); + sse_maxps(cp->func, tmp, arg0); - store_dest(cp, &op->FullDstRegisters[0], dst); + store_dest(cp, &op->FullDstRegisters[0], tmp); return TRUE; } -- 2.30.2