gallivm: Use INFINITY directly.

Already done below.

Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.c b/src/gallium/auxiliary/gallivm/lp_bld_arit.c
index cd05f111f19c5e21dc44e6f4da541d037788b280..0d4eaeaa78f67ac1e0404089bc70dfe300a2e6ee 100644 (file)
--- a/src/gallium/auxiliary/gallivm/lp_bld_arit.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.c
@@ -2564,16 +2564,9 @@ lp_build_rsqrt(struct lp_build_context *bld,
           * All numbers smaller than FLT_MIN will result in +infinity
           * (rsqrtps treats all denormals as zero).
           */
-         /*
-          * Certain non-c99 compilers don't know INFINITY and might not support
-          * hacks to evaluate it at compile time neither.
-          */
-         const unsigned posinf_int = 0x7F800000;
          LLVMValueRef cmp;
          LLVMValueRef flt_min = lp_build_const_vec(bld->gallivm, type, FLT_MIN);
-         LLVMValueRef inf = lp_build_const_int_vec(bld->gallivm, type, posinf_int);
-
-         inf = LLVMBuildBitCast(builder, inf, lp_build_vec_type(bld->gallivm, type), "");
+         LLVMValueRef inf = lp_build_const_vec(bld->gallivm, type, INFINITY);
 
          for (i = 0; i < num_iterations; ++i) {
             res = lp_build_rsqrt_refine(bld, a, res);