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[simd] Fix uninitialized warning hidden by lto

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It turns out lto was hiding an uninitialized warning that showed up with
gcc-14.
This commit is contained in:
Bill Currie 2024-10-17 11:03:03 +09:00
parent 3f61d22e6a
commit 79bebde069
1 changed files with 1 additions and 4 deletions
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5
libs/util/simd.c
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@ -54,21 +54,18 @@
vec4f_t vec4f_t
BarycentricCoords_vf (const vec4f_t **points, int num_points, const vec4f_t p) BarycentricCoords_vf (const vec4f_t **points, int num_points, const vec4f_t p)
{ {
vec4f_t zero = { }; vec4f_t a, b, c, x, l = {}, ab, bc, ca, d;
vec4f_t a, b, c, x, l, ab, bc, ca, d;
if (num_points > 4) if (num_points > 4)
Sys_Error ("Don't know how to compute the barycentric coordinates " Sys_Error ("Don't know how to compute the barycentric coordinates "
"for %d points", num_points); "for %d points", num_points);
switch (num_points) { switch (num_points) {
case 1: case 1:
l = zero;
l[0] = 1; l[0] = 1;
return l; return l;
case 2: case 2:
x = p - *points[0]; x = p - *points[0];
a = *points[1] - *points[0]; a = *points[1] - *points[0];
d = dotf (x, a) / dotf (a, a); d = dotf (x, a) / dotf (a, a);
l = zero;
l[1] = d[0]; l[1] = d[0];
l[0] = 1 - d[0]; l[0] = 1 - d[0];
return l; return l;