diff options
author | Roland Scheidegger <[email protected]> | 2009-12-08 19:26:20 +0100 |
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committer | Roland Scheidegger <[email protected]> | 2009-12-08 19:26:20 +0100 |
commit | 4ebc54795dc93f7eee200312abfa2da1b49506e3 (patch) | |
tree | 3303b9bd235763ddfe55603f3e16d54fc41d83c5 /src/mesa/main/imports.c | |
parent | bc7567d9665924650c43c661d07ae9a922554bee (diff) | |
parent | ee1720b99dfb5964962f2346406a4e3e88374a68 (diff) |
Merge branch 'gallium-strict-aliasing'
Diffstat (limited to 'src/mesa/main/imports.c')
-rw-r--r-- | src/mesa/main/imports.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/mesa/main/imports.c b/src/mesa/main/imports.c index c9e00cf7528..f2ef84f35c1 100644 --- a/src/mesa/main/imports.c +++ b/src/mesa/main/imports.c @@ -460,7 +460,7 @@ _mesa_inv_sqrtf(float n) #if 0 /* not used, see below -BP */ float r3, x3, y3; #endif - union { float f; unsigned int i; } u; + fi_type u; unsigned int magic; /* @@ -649,10 +649,10 @@ _mesa_bitcount(unsigned int n) GLhalfARB _mesa_float_to_half(float val) { - const int flt = *((int *) (void *) &val); - const int flt_m = flt & 0x7fffff; - const int flt_e = (flt >> 23) & 0xff; - const int flt_s = (flt >> 31) & 0x1; + const fi_type fi = {val}; + const int flt_m = fi.i & 0x7fffff; + const int flt_e = (fi.i >> 23) & 0xff; + const int flt_s = (fi.i >> 31) & 0x1; int s, e, m = 0; GLhalfARB result; @@ -739,7 +739,8 @@ _mesa_half_to_float(GLhalfARB val) const int m = val & 0x3ff; const int e = (val >> 10) & 0x1f; const int s = (val >> 15) & 0x1; - int flt_m, flt_e, flt_s, flt; + int flt_m, flt_e, flt_s; + fi_type fi; float result; /* sign bit */ @@ -774,8 +775,8 @@ _mesa_half_to_float(GLhalfARB val) flt_m = m << 13; } - flt = (flt_s << 31) | (flt_e << 23) | flt_m; - result = *((float *) (void *) &flt); + fi.i = (flt_s << 31) | (flt_e << 23) | flt_m; + result = fi.f; return result; } |