From: Michael Jeanson <mjeanson@efficios.com>
Date: Wed, 2 Dec 2020 17:31:46 +0000 (+0000)
Subject: fix: reorder x86 arch detection
X-Git-Tag: v0.13.0~48
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=c966839e39761d1dcf9fc17450630fdb317ec156;p=userspace-rcu.git

fix: reorder x86 arch detection

Reorder the detection code from most specific to most generic as defines
for i386 can be present even when building for i686.

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I81531b05318a0eaa9984075311828d87be7d46fc
---

diff --git a/include/urcu/arch.h b/include/urcu/arch.h
index fdbec3d..c4b8bc2 100644
--- a/include/urcu/arch.h
+++ b/include/urcu/arch.h
@@ -49,39 +49,40 @@
  * URCU_ARCH_M68K : All Motorola 68000 variants
  * URCU_ARCH_RISCV : All RISC-V variants
  */
-#if (defined(__i386__) || defined(__i386))
+
+#if (defined(__INTEL_OFFLOAD) || defined(__TARGET_ARCH_MIC) || defined(__MIC__))
 
 #define URCU_ARCH_X86 1
-#define URCU_ARCH_I386 1
+#define URCU_ARCH_AMD64 1
+#define URCU_ARCH_K1OM 1
 #include <urcu/arch/x86.h>
 
-#elif (defined(__i486__) || defined(__i586__) || defined(__i686__))
+#elif (defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64))
 
 #define URCU_ARCH_X86 1
+#define URCU_ARCH_AMD64 1
 #include <urcu/arch/x86.h>
 
-#elif (defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64))
+#elif (defined(__i486__) || defined(__i586__) || defined(__i686__))
 
 #define URCU_ARCH_X86 1
-#define URCU_ARCH_AMD64 1
 #include <urcu/arch/x86.h>
 
-#elif (defined(__INTEL_OFFLOAD) || defined(__TARGET_ARCH_MIC) || defined(__MIC__))
+#elif (defined(__i386__) || defined(__i386))
 
 #define URCU_ARCH_X86 1
-#define URCU_ARCH_AMD64 1
-#define URCU_ARCH_K1OM 1
+#define URCU_ARCH_I386 1
 #include <urcu/arch/x86.h>
 
-#elif (defined(__powerpc__) || defined(__powerpc) || defined(__ppc__))
+#elif (defined(__powerpc64__) || defined(__ppc64__))
 
 #define URCU_ARCH_PPC 1
+#define URCU_ARCH_PPC64 1
 #include <urcu/arch/ppc.h>
 
-#elif (defined(__powerpc64__) || defined(__ppc64__))
+#elif (defined(__powerpc__) || defined(__powerpc) || defined(__ppc__))
 
 #define URCU_ARCH_PPC 1
-#define URCU_ARCH_PPC64 1
 #include <urcu/arch/ppc.h>
 
 #elif (defined(__s390__) || defined(__s390x__) || defined(__zarch__))