From: Matt Turner <mattst88@gmail.com>
Date: Thu, 19 Oct 2017 05:16:05 +0000 (-0700)
Subject: i965: Use a union to bitcast a float
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e9796ebca7d2977700ff51ade9193e33368bd4af;p=mesa.git

i965: Use a union to bitcast a float

... which does not break C's aliasing rules.
---

diff --git a/src/mesa/drivers/dri/i965/gen6_constant_state.c b/src/mesa/drivers/dri/i965/gen6_constant_state.c
index 62ad6b04976..121ba672575 100644
--- a/src/mesa/drivers/dri/i965/gen6_constant_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_constant_state.c
@@ -32,7 +32,8 @@
 static uint32_t
 f_as_u32(float f)
 {
-   return *(uint32_t *)&f;
+   union fi fi = { .f = f };
+   return fi.ui;
 }
 
 static uint32_t