gallium: fix various undefined left shifts into sign bit

Funnily enough, some of these were turned into a compile-time error by gcc
with -fsanitize=undefined ("initializer is not a constant").

Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Michel Dänzer <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

2 files changed, 3 insertions, 3 deletions

diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c
index d73a4b34a5a..c89d003c125 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -1159,7 +1159,7 @@ st_translate_mesa_program(
 
    /* texture samplers */
    for (i = 0; i < ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits; i++) {
-      if (program->SamplersUsed & (1 << i)) {
+      if (program->SamplersUsed & (1u << i)) {
          unsigned target =
             translate_texture_index(program->TexturesUsed[i],
                                     !!(program->ShadowSamplers & (1 << i)));
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 32ada9f7b8a..444e5aac7bd 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -1121,7 +1121,7 @@ st_translate_program_common(struct st_context *st,
 
    /* Also add patch inputs. */
    for (attr = 0; attr < 32; attr++) {
-      if (prog->PatchInputsRead & (1 << attr)) {
+      if (prog->PatchInputsRead & (1u << attr)) {
          GLuint slot = num_inputs++;
          GLuint patch_attr = VARYING_SLOT_PATCH0 + attr;
 
@@ -1240,7 +1240,7 @@ st_translate_program_common(struct st_context *st,
 
    /* Also add patch outputs. */
    for (attr = 0; attr < 32; attr++) {
-      if (prog->PatchOutputsWritten & (1 << attr)) {
+      if (prog->PatchOutputsWritten & (1u << attr)) {
          GLuint slot = num_outputs++;
          GLuint patch_attr = VARYING_SLOT_PATCH0 + attr;