From: Richard Henderson <rth@redhat.com>
To: gcc-patches@gcc.gnu.org
Cc: amacleod@redhat.com
Subject: [PATCH 6/9] Update cppbuiltins for atomic-compare-and-swap.
Date: Fri, 28 Oct 2011 05:11:00 -0000 [thread overview]
Message-ID: <1319774858-9181-7-git-send-email-rth@redhat.com> (raw)
In-Reply-To: <1319774858-9181-1-git-send-email-rth@redhat.com>
---
gcc/c-family/c-cppbuiltin.c | 50 ++++++++++++++++++++++++++++++-------------
1 files changed, 35 insertions(+), 15 deletions(-)
diff --git a/gcc/c-family/c-cppbuiltin.c b/gcc/c-family/c-cppbuiltin.c
index bb9893a..bf83c26 100644
--- a/gcc/c-family/c-cppbuiltin.c
+++ b/gcc/c-family/c-cppbuiltin.c
@@ -758,30 +758,50 @@ c_cpp_builtins (cpp_reader *pfile)
/* Tell source code if the compiler makes sync_compare_and_swap
builtins available. */
-#ifdef HAVE_sync_compare_and_swapqi
- if (HAVE_sync_compare_and_swapqi)
- cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
+#ifndef HAVE_sync_compare_and_swapqi
+#define HAVE_sync_compare_and_swapqi 0
+#endif
+#ifndef HAVE_atomic_compare_and_swapqi
+#define HAVE_atomic_compare_and_swapqi 0
#endif
+ if (HAVE_sync_compare_and_swapqi || HAVE_atomic_compare_and_swapqi)
+ cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
-#ifdef HAVE_sync_compare_and_swaphi
- if (HAVE_sync_compare_and_swaphi)
- cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
+#ifndef HAVE_sync_compare_and_swaphi
+#define HAVE_sync_compare_and_swaphi 0
#endif
+#ifndef HAVE_atomic_compare_and_swaphi
+#define HAVE_atomic_compare_and_swaphi 0
+#endif
+ if (HAVE_sync_compare_and_swaphi || HAVE_atomic_compare_and_swaphi)
+ cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
-#ifdef HAVE_sync_compare_and_swapsi
- if (HAVE_sync_compare_and_swapsi)
- cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
+#ifndef HAVE_sync_compare_and_swapsi
+#define HAVE_sync_compare_and_swapsi 0
+#endif
+#ifndef HAVE_atomic_compare_and_swapsi
+#define HAVE_atomic_compare_and_swapsi 0
#endif
+ if (HAVE_sync_compare_and_swapsi || HAVE_atomic_compare_and_swapsi)
+ cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
-#ifdef HAVE_sync_compare_and_swapdi
- if (HAVE_sync_compare_and_swapdi)
- cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8");
+#ifndef HAVE_sync_compare_and_swapdi
+#define HAVE_sync_compare_and_swapdi 0
#endif
+#ifndef HAVE_atomic_compare_and_swapdi
+#define HAVE_atomic_compare_and_swapdi 0
+#endif
+ if (HAVE_sync_compare_and_swapdi || HAVE_atomic_compare_and_swapdi)
+ cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8");
-#ifdef HAVE_sync_compare_and_swapti
- if (HAVE_sync_compare_and_swapti)
- cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16");
+#ifndef HAVE_sync_compare_and_swapti
+#define HAVE_sync_compare_and_swapti 0
+#endif
+#ifndef HAVE_atomic_compare_and_swapti
+#define HAVE_atomic_compare_and_swapti 0
#endif
+ if (HAVE_sync_compare_and_swapti || HAVE_atomic_compare_and_swapti)
+ cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16");
#ifdef DWARF2_UNWIND_INFO
if (dwarf2out_do_cfi_asm ())
--
1.7.6.4
next prev parent reply other threads:[~2011-10-28 4:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-28 4:08 [cxx-mem-model][PATCH 0/9] Convert i386 to new atomic optabs Richard Henderson
2011-10-28 4:08 ` [PATCH 7/9] Update omp for " Richard Henderson
2011-10-28 4:08 ` [PATCH 3/9] Introduce and use can_compare_and_swap_p Richard Henderson
2011-10-28 4:08 ` [PATCH 2/9] Handle expanding insns with 8 operands Richard Henderson
2011-10-28 4:08 ` [PATCH 1/9] Fix thinko in gen_mem_thread_fence operand Richard Henderson
2011-10-28 5:11 ` Richard Henderson [this message]
2011-10-28 5:11 ` [PATCH 9/9] Update ChangeLogs Richard Henderson
2011-10-28 5:20 ` [PATCH 8/9] Convert i386 backend to new atomic patterns Richard Henderson
2011-10-28 5:30 ` [PATCH 5/9] Add missing atomic optab initializations Richard Henderson
2011-10-28 5:40 ` [PATCH 4/9] Rewrite all compare-and-swap in terms of expand_atomic_compare_and_swap Richard Henderson
2011-10-28 11:29 ` [cxx-mem-model][PATCH 0/9] Convert i386 to new atomic optabs Jakub Jelinek
2011-10-28 15:25 ` Richard Henderson
2011-10-29 17:28 ` Andrew MacLeod
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