From 47d6d44a231b811f1bba05478a6bbfb1e3fdb27b Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Wed, 20 Jul 2011 14:41:17 -0700 Subject: gallivm: Increase lp_build_rsqrt() precision. Add an iteration step, which makes rqsqrt precision go from 12bits to 24, and fixes RSQ/NRM test case of PSPrecision/VSPrevision DCTs. There are no uses of this function outside shader translation. --- src/gallium/auxiliary/gallivm/lp_bld_arit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/gallium/auxiliary') diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.c b/src/gallium/auxiliary/gallivm/lp_bld_arit.c index 06e5debe4a3..fce4685cc2d 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_arit.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.c @@ -1645,7 +1645,7 @@ lp_build_rsqrt(struct lp_build_context *bld, assert(type.floating); if (util_cpu_caps.has_sse && type.width == 32 && type.length == 4) { - const unsigned num_iterations = 0; + const unsigned num_iterations = 1; LLVMValueRef res; unsigned i; -- cgit v1.2.3