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* GCC 6 patch: Add aligned attribute for m68k support
@ 2017-02-01 23:05 Ian Lance Taylor
  0 siblings, 0 replies; only message in thread
From: Ian Lance Taylor @ 2017-02-01 23:05 UTC (permalink / raw)
  To: gcc-patches, gofrontend-dev

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This patch by John Paul Adrian Glaubitz fixes m68k libgo on the GCC 6
branch, by adding alignment required by the kernel but not otherwise
imposed by the m68k backend.  I bootstrapped and ran Go tests on
x86_64-pc-linux-gnu, Adrian tested on m68k.  Committed to GCC 6
branch.

Ian

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@@ -, +, @@ 
---
 libgo/runtime/runtime.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/libgo/runtime/runtime.h	
+++ a/libgo/runtime/runtime.h	
@@ -154,14 +154,14 @@ struct	Lock
 	// Futex-based impl treats it as uint32 key,
 	// while sema-based impl as M* waitm.
 	// Used to be a union, but unions break precise GC.
-	uintptr	key;
+	uintptr	key __attribute__((aligned(4)));
 };
 struct	Note
 {
 	// Futex-based impl treats it as uint32 key,
 	// while sema-based impl as M* waitm.
 	// Used to be a union, but unions break precise GC.
-	uintptr	key;
+	uintptr	key __attribute__((aligned(4)));
 };
 struct String
 {
-- 

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2017-02-01 23:05 GCC 6 patch: Add aligned attribute for m68k support Ian Lance Taylor

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