diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2008-09-12 11:02:18 -0600 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2008-09-12 11:02:18 -0600 |
| commit | 31d2e5b954ece02070555b51c06ee427cf951b1f (patch) | |
| tree | aaba2f42737bfa87583994c71983cca85d6ca71f | |
| parent | 50f78fcc2e3da24fa6dc076f0985355b3f64e9fd (diff) | |
gallium: use new compare32() function to fix warnings about type punning and aliasing
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_build.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_build.c b/src/gallium/auxiliary/tgsi/tgsi_build.c index 74614d3688..38fcaf8829 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_build.c +++ b/src/gallium/auxiliary/tgsi/tgsi_build.c @@ -793,10 +793,14 @@ tgsi_default_instruction_ext_nv( void ) return instruction_ext_nv; } -union token_u32 + +/** test for inequality of 32-bit values pointed to by a and b */ +static INLINE boolean +compare32(const void *a, const void *b) { - unsigned u32; -}; + return *((uint32_t *) a) != *((uint32_t *) b); +} + unsigned tgsi_compare_instruction_ext_nv( @@ -805,7 +809,7 @@ tgsi_compare_instruction_ext_nv( { a.Padding = b.Padding = 0; a.Extended = b.Extended = 0; - return ((union token_u32 *) &a)->u32 != ((union token_u32 *) &b)->u32; + return compare32(&a, &b); } struct tgsi_instruction_ext_nv @@ -864,7 +868,7 @@ tgsi_compare_instruction_ext_label( { a.Padding = b.Padding = 0; a.Extended = b.Extended = 0; - return ((union token_u32 *) &a)->u32 != ((union token_u32 *) &b)->u32; + return compare32(&a, &b); } struct tgsi_instruction_ext_label @@ -905,7 +909,7 @@ tgsi_compare_instruction_ext_texture( { a.Padding = b.Padding = 0; a.Extended = b.Extended = 0; - return ((union token_u32 *) &a)->u32 != ((union token_u32 *) &b)->u32; + return compare32(&a, &b); } struct tgsi_instruction_ext_texture @@ -1027,7 +1031,7 @@ tgsi_compare_src_register_ext_swz( { a.Padding = b.Padding = 0; a.Extended = b.Extended = 0; - return ((union token_u32 *) &a)->u32 != ((union token_u32 *) &b)->u32; + return compare32(&a, &b); } struct tgsi_src_register_ext_swz @@ -1095,7 +1099,7 @@ tgsi_compare_src_register_ext_mod( { a.Padding = b.Padding = 0; a.Extended = b.Extended = 0; - return ((union token_u32 *) &a)->u32 != ((union token_u32 *) &b)->u32; + return compare32(&a, &b); } struct tgsi_src_register_ext_mod @@ -1241,7 +1245,7 @@ tgsi_compare_dst_register_ext_concode( { a.Padding = b.Padding = 0; a.Extended = b.Extended = 0; - return ((union token_u32 *) &a)->u32 != ((union token_u32 *) &b)->u32; + return compare32(&a, &b); } struct tgsi_dst_register_ext_concode @@ -1299,7 +1303,7 @@ tgsi_compare_dst_register_ext_modulate( { a.Padding = b.Padding = 0; a.Extended = b.Extended = 0; - return ((union token_u32 *) &a)->u32 != ((union token_u32 *) &b)->u32; + return compare32(&a, &b); } struct tgsi_dst_register_ext_modulate |