From 022ee7c728822c4dd5be226f75e44557b4a3d9a1 Mon Sep 17 00:00:00 2001 From: Simon Marlow Date: Fri, 28 Nov 2008 10:50:46 +0000 Subject: [PATCH] Remove the packing I added recently to the Capability structure The problem is that the packing caused some unaligned loads, which lead to bus errors on Sparc (and reduced performance elsewhere, presumably). --- rts/Capability.h | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/rts/Capability.h b/rts/Capability.h index 478b0f1..b6f6440 100644 --- a/rts/Capability.h +++ b/rts/Capability.h @@ -32,11 +32,7 @@ struct Capability_ { // code. During STG execution, the BaseReg register always points // to the StgRegTable of the current Capability (&cap->r). StgFunTable f; - StgRegTable r GNU_ATTRIBUTE(packed); - // packed eliminates any padding between f and r. Not strictly - // necessary, but it means the negative offsets for accessing - // the fields of f when we are in STG code are as small as - // possible. + StgRegTable r; nat no; // capability number. -- 1.7.10.4