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-rw-r--r--mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp8
-rw-r--r--mesalib/src/mesa/swrast/s_span.c2
2 files changed, 6 insertions, 4 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index d7a1ba80e..aef23e7d2 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -1994,15 +1994,17 @@ glsl_to_tgsi_visitor::visit(ir_assignment *ir)
} else if (ir->rhs->as_expression() &&
this->instructions.get_tail() &&
ir->rhs == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->ir &&
- type_size(ir->lhs->type) == 1) {
+ type_size(ir->lhs->type) == 1 &&
+ l.writemask == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->dst.writemask) {
/* To avoid emitting an extra MOV when assigning an expression to a
* variable, emit the last instruction of the expression again, but
* replace the destination register with the target of the assignment.
* Dead code elimination will remove the original instruction.
*/
- glsl_to_tgsi_instruction *inst;
+ glsl_to_tgsi_instruction *inst, *new_inst;
inst = (glsl_to_tgsi_instruction *)this->instructions.get_tail();
- emit(ir, inst->op, l, inst->src[0], inst->src[1], inst->src[2]);
+ new_inst = emit(ir, inst->op, l, inst->src[0], inst->src[1], inst->src[2]);
+ new_inst->saturate = inst->saturate;
} else {
for (i = 0; i < type_size(ir->lhs->type); i++) {
emit(ir, TGSI_OPCODE_MOV, l, r);
diff --git a/mesalib/src/mesa/swrast/s_span.c b/mesalib/src/mesa/swrast/s_span.c
index db102ac79..9a91be399 100644
--- a/mesalib/src/mesa/swrast/s_span.c
+++ b/mesalib/src/mesa/swrast/s_span.c
@@ -212,10 +212,10 @@ interpolate_active_attribs(struct gl_context *ctx, SWspan *span, GLbitfield attr
static INLINE void
interpolate_int_colors(struct gl_context *ctx, SWspan *span)
{
+#if CHAN_BITS != 32
const GLuint n = span->end;
GLuint i;
-#if CHAN_BITS != 32
ASSERT(!(span->arrayMask & SPAN_RGBA));
#endif