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changeset 123:9b71e8e665a3

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* include/basetype.h: Use 32-byte alignment
author jlarmour
date Tue, 05 Sep 2000 15:44:11 +0000
parents 51271dc28cd2
children 0ec04793409a
files packages/hal/i386/arch/current/ChangeLog packages/hal/i386/arch/current/include/basetype.h
diffstat 2 files changed, 12 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/packages/hal/i386/arch/current/ChangeLog
+++ b/packages/hal/i386/arch/current/ChangeLog
@@ -1,3 +1,7 @@
+2000-09-05  Jonathan Larmour  <jlarmour@redhat.com>
+
+	* include/basetype.h: Use 32-byte alignment
+
 2000-08-14  Jonathan Larmour  <jlarmour@redhat.co.uk>
 
 	From Fabrice Gautier:
--- a/packages/hal/i386/arch/current/include/basetype.h
+++ b/packages/hal/i386/arch/current/include/basetype.h
@@ -55,6 +55,14 @@
 //#define CYG_LABEL_NAME(_name_) _name_
 
 //-----------------------------------------------------------------------------
+// Override the alignment definitions from cyg_type.h. x86 requires
+// 32 *byte* alignment because gcc sometimes tries to be clever with
+// aligning things on cache lines.
+
+#define CYGARC_ALIGNMENT 32
+#define CYGARC_P2ALIGNMENT 5
+
+//-----------------------------------------------------------------------------
 // Define the standard variable sizes
 
 // The ix86 architecture uses the default definitions of the base types,