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Switch ARM default CPU to pcore, but disallow unaligned access.

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not hooked up to the build, no bump.
This commit is contained in:
pascal 2016-09-20 21:51:54 +00:00
parent 1f9a7e214e
commit 49369b055d
1 changed files with 13 additions and 5 deletions
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18
lang/gcc/6/patches/patch-gcc_config_arm_openbsd_h
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@ -1,7 +1,7 @@
$OpenBSD: patch-gcc_config_arm_openbsd_h,v 1.2 2016/09/09 20:51:03 pascal Exp $
--- gcc/config/arm/openbsd.h.orig Wed Sep 7 23:44:12 2016
+++ gcc/config/arm/openbsd.h Fri Sep 9 00:18:57 2016
@@ -0,0 +1,244 @@
$OpenBSD: patch-gcc_config_arm_openbsd_h,v 1.3 2016/09/20 21:51:54 pascal Exp $
--- gcc/config/arm/openbsd.h.orig Sat Sep 10 02:11:09 2016
+++ gcc/config/arm/openbsd.h Mon Sep 19 12:22:39 2016
@@ -0,0 +1,252 @@
+/* Definitions of target machine for GNU compiler, OpenBSD/arm ELF version.
+ Copyright (C) 2002 Free Software Foundation, Inc.
+ Contributed by Wasabi Systems, Inc.
@ -43,7 +43,7 @@ $OpenBSD: patch-gcc_config_arm_openbsd_h,v 1.2 2016/09/09 20:51:03 pascal Exp $
+#undef MULTILIB_DEFAULTS
+
+/* armv5te default cpu. */
+#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9e
+#define SUBTARGET_CPU_DEFAULT TARGET_CPU_mpcore
+
+/* We default to a soft-float ABI so that binaries can run on all
+ target hardware. */
@ -246,3 +246,11 @@ $OpenBSD: patch-gcc_config_arm_openbsd_h,v 1.2 2016/09/09 20:51:03 pascal Exp $
+
+/* dito */
+#undef EXTRA_SPEC_FUNCTIONS
+
+#define SUBTARGET_OVERRIDE_INTERNAL_OPTIONS \
+do { \
+ if (opts_set->x_unaligned_access == 1) \
+ warning (0, "target OS does not support unaligned accesses"); \
+ if (opts->x_unaligned_access) \
+ opts->x_unaligned_access = 0; \
+} while (0)