r600g/sb: fix a bug in constants folding optimisation pass: ADD R6.y.1, R5.w.1, ~1|3f800000 ADD R6.y.2, |R6.y.1|, -0.0001|b8d1b717
was wrongly being converted to ADD R6.y.1, R5.w.1, ~1|3f800000 ADD R6.y.2, R5.w.1, -1.0001|bf800347 because abs() modifier was ignored. Signed-off-by: Xavier Bouchoux <xavi...@gmail.com>
From 90481a39aaf10a46fd18254c8ecd3e42d1bc0499 Mon Sep 17 00:00:00 2001 From: xavier <xavi...@gmail.com> Date: Wed, 28 Jan 2015 02:31:58 +0100 Subject: [PATCH 2/2] r600g/sb: fix a bug in constants folding optimisation pass: ADD R6.y.1, R5.w.1, ~1|3f800000 ADD R6.y.2, |R6.y.1|, -0.0001|b8d1b717 was wrongly being converted to ADD R6.y.1, R5.w.1, ~1|3f800000 ADD R6.y.2, R5.w.1, -1.0001|bf800347 because abs() modifier was ignored. Signed-off-by: Xavier Bouchoux <xavi...@gmail.com> --- src/gallium/drivers/r600/sb/sb_expr.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/gallium/drivers/r600/sb/sb_expr.cpp b/src/gallium/drivers/r600/sb/sb_expr.cpp index 52c0c17..9c2274e 100644 --- a/src/gallium/drivers/r600/sb/sb_expr.cpp +++ b/src/gallium/drivers/r600/sb/sb_expr.cpp @@ -645,6 +645,7 @@ bool expr_handler::fold_assoc(alu_node *n) { (op == ALU_OP2_MUL_IEEE && d0->is_alu_op(ALU_OP2_MUL))) && !d0->bc.omod && !d0->bc.clamp && + !a->bc.src[0].abs && (!a->bc.src[0].neg || allow_neg)) { cur_neg ^= a->bc.src[0].neg; a = d0; @@ -678,6 +679,7 @@ bool expr_handler::fold_assoc(alu_node *n) { (op == ALU_OP2_MUL_IEEE && d1->is_alu_op(ALU_OP2_MUL))) && !d1->bc.omod && !d1->bc.clamp && + !a->bc.src[1].abs && (!a->bc.src[1].neg || allow_neg)) { cur_neg ^= a->bc.src[1].neg; a = d1; -- 2.1.0
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