From: Jordan Justen <jordan.l.justen@intel.com>
Date: Wed, 6 Jan 2016 23:40:01 +0000 (-0800)
Subject: anv: Assert that alignments are not 0 for align_*
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4d68c477ad29bc39794eb5f3e5f0886129c6c9c5;p=mesa.git

anv: Assert that alignments are not 0 for align_*

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
---

diff --git a/src/vulkan/anv_private.h b/src/vulkan/anv_private.h
index 5bd50258c8a..0cd8ab6facd 100644
--- a/src/vulkan/anv_private.h
+++ b/src/vulkan/anv_private.h
@@ -83,18 +83,21 @@ typedef union _VK_LOADER_DATA {
 static inline uint32_t
 align_u32(uint32_t v, uint32_t a)
 {
+   assert(a != 0 && a == (a & -a));
    return (v + a - 1) & ~(a - 1);
 }
 
 static inline uint64_t
 align_u64(uint64_t v, uint64_t a)
 {
+   assert(a != 0 && a == (a & -a));
    return (v + a - 1) & ~(a - 1);
 }
 
 static inline int32_t
 align_i32(int32_t v, int32_t a)
 {
+   assert(a != 0 && a == (a & -a));
    return (v + a - 1) & ~(a - 1);
 }