From: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Date: Mon, 25 Mar 2019 00:53:46 +0000 (+0000)
Subject: panfrost/midgard: Lower f2b32 to fne
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ae43b8faa7d8feba79ec9b9bec17f3a089a42cbf;p=mesa.git

panfrost/midgard: Lower f2b32 to fne

Fixes
dEQP-GLES2.functional.shaders.swizzles.vector_swizzles.mediump_bvec2_x_vertex

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
---

diff --git a/src/gallium/drivers/panfrost/midgard/midgard_compile.c b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
index 70ad32dce83..bef4454f759 100644
--- a/src/gallium/drivers/panfrost/midgard/midgard_compile.c
+++ b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
@@ -987,6 +987,13 @@ emit_alu(compiler_context *ctx, nir_alu_instr *instr)
                 ALU_CASE(ine32, ine);
                 ALU_CASE(ilt32, ilt);
 
+                /* Likewise, we don't have a dedicated f2b32 instruction, but
+                 * we can do a "not equal to 0.0" test. Since an inline
+                 * constant vec4(0.0) is the default, we don't need to do any
+                 * special lowering */
+
+                ALU_CASE(f2b32, fne);
+
                 ALU_CASE(frcp, frcp);
                 ALU_CASE(frsq, frsqrt);
                 ALU_CASE(fsqrt, fsqrt);