Mesa (master): i965/fs: Silence warnings related to use of uninitialized values

[Eduardo Lima Mitev]

Module: Mesa
Branch: master
Commit: 767168771376a3ee95d5b1f5b2f5fd577b76391e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=767168771376a3ee95d5b1f5b2f5fd577b76391e

Author: Eduardo Lima Mitev <elima at igalia.com>
Date:   Tue May 17 12:21:02 2016 +0200

i965/fs: Silence warnings related to use of uninitialized values

brw_fs.cpp: In function ‘const unsigned int* brw_compile_fs(const [...]
brw_fs.cpp:6093:64: warning: ‘simd16_grf_start’ may be used uninitialized [...]
       prog_data->base.dispatch_grf_start_reg = simd16_grf_start;

brw_fs.cpp:5996:29: note: ‘simd16_grf_start’ was declared here
    uint8_t simd8_grf_start, simd16_grf_start;

brw_fs.cpp:6094:52: warning: ‘simd16_grf_used’ may be used uninitialized [...]
       prog_data->reg_blocks_0 = brw_register_blocks(simd16_grf_used);

brw_fs.cpp:5997:29: note: ‘simd16_grf_used’ was declared here
    unsigned simd8_grf_used, simd16_grf_used;

(and more)

Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>

---

 src/mesa/drivers/dri/i965/brw_fs.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 65b64b6..a417271 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -6028,8 +6028,8 @@ brw_compile_fs(const struct brw_compiler *compiler, void *log_data,
                                            shader);
 
    cfg_t *simd8_cfg = NULL, *simd16_cfg = NULL;
-   uint8_t simd8_grf_start, simd16_grf_start;
-   unsigned simd8_grf_used, simd16_grf_used;
+   uint8_t simd8_grf_start = 0, simd16_grf_start = 0;
+   unsigned simd8_grf_used = 0, simd16_grf_used = 0;
 
    fs_visitor v8(compiler, log_data, mem_ctx, key,
                  &prog_data->base, prog, shader, 8,