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From 9c1151b4d65c356f0d25d952fe1a10c89fdb834a Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 5 Mar 2018 11:03:18 -0500
Subject: [PATCH] Fix build on F28 and later

Newer gcc complains that it doesn't know how to always-inline memcpy():

  /usr/include/bits/string_fortified.h:31:1: error: inlining failed in
  call to always_inline 'memcpy': target specific option mismatch

This is because we need to wrap our declaration of memcpy() in the
options we're trying to push at the top of blt.c. So: include compiler.h
to define sse2, then push options, then include everything else.

However if you do that, the word 'nonnull' collides with the usage in
<X11/Xfuncproto.h>. I'm too lazy to fix that properly, just expand it to
the __attribute__ form in the few places we say it.

Signed-off-by: Adam Jackson <ajax@redhat.com>
---
 src/sna/blt.c         | 6 ++++--
 src/sna/compiler.h    | 2 --
 src/sna/gen6_common.h | 6 +++---
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/sna/blt.c b/src/sna/blt.c
index cb90437a..fb357d35 100644
--- a/src/sna/blt.c
+++ b/src/sna/blt.c
@@ -29,13 +29,15 @@
 #include "config.h"
 #endif
 
-#include "sna.h"
-#include <pixman.h>
+#include "compiler.h"
 
 #if defined(sse2)
 #pragma GCC push_options
 #pragma GCC target("sse2,inline-all-stringops,fpmath=sse")
 #pragma GCC optimize("Ofast")
+
+#include <pixman.h>
+#include "sna.h"
 #include <xmmintrin.h>
 
 #if __x86_64__
diff --git a/src/sna/compiler.h b/src/sna/compiler.h
index 0f3775ec..3c176a16 100644
--- a/src/sna/compiler.h
+++ b/src/sna/compiler.h
@@ -39,7 +39,6 @@
 #define pure __attribute__((pure))
 #define tightly_packed __attribute__((__packed__))
 #define flatten __attribute__((flatten))
-#define nonnull __attribute__((nonnull))
 #define page_aligned __attribute__((aligned(4096)))
 #else
 #define likely(expr) (expr)
@@ -52,7 +51,6 @@
 #define pure
 #define tighly_packed
 #define flatten
-#define nonnull
 #define page_aligned
 #endif
 
diff --git a/src/sna/gen6_common.h b/src/sna/gen6_common.h
index b53ec0c9..119a2d5d 100644
--- a/src/sna/gen6_common.h
+++ b/src/sna/gen6_common.h
@@ -133,7 +133,7 @@ inline static bool force_blt_ring(struct sna *sna, struct kgem_bo *bo)
 	return false;
 }
 
-nonnull inline static bool
+__attribute__((nonnull)) inline static bool
 prefer_blt_ring(struct sna *sna, struct kgem_bo *bo, unsigned flags)
 {
 	if (PREFER_RENDER)
@@ -148,7 +148,7 @@ prefer_blt_ring(struct sna *sna, struct kgem_bo *bo, unsigned flags)
 	return can_switch_to_blt(sna, bo, flags);
 }
 
-nonnull inline static bool
+__attribute__((nonnull)) inline static bool
 prefer_render_ring(struct sna *sna, struct kgem_bo *bo)
 {
 	if (sna->kgem.ring == KGEM_RENDER)
@@ -191,7 +191,7 @@ prefer_blt_composite(struct sna *sna, struct sna_composite_op *tmp)
 	return prefer_blt_bo(sna, tmp->src.bo, tmp->dst.bo);
 }
 
-nonnull static inline bool
+__attribute__((nonnull)) static inline bool
 prefer_blt_fill(struct sna *sna, struct kgem_bo *bo, unsigned flags)
 {
 	if (PREFER_RENDER)
-- 
2.16.2