Mesa (gallium-0.2): gallium: fix alignment parameter passed to u_mmAllocMem ()
Brian Paul
brianp at kemper.freedesktop.org
Wed Oct 29 20:56:38 UTC 2008
Module: Mesa
Branch: gallium-0.2
Commit: 8828d52348d81e1b9ec985200a430554873b5f4e
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=8828d52348d81e1b9ec985200a430554873b5f4e
Author: Brian Paul <brian.paul at tungstengraphics.com>
Date: Wed Oct 29 14:28:57 2008 -0600
gallium: fix alignment parameter passed to u_mmAllocMem()
Was 32, now 5. The param is expressed as a power of two exponent.
The net effect is that the alignment was a no-op on X86 but on PPC we
always got the same memory address everytime rtasm_exec_malloc() was called.
---
src/gallium/auxiliary/rtasm/rtasm_execmem.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/gallium/auxiliary/rtasm/rtasm_execmem.c b/src/gallium/auxiliary/rtasm/rtasm_execmem.c
index df35363..be7433b 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_execmem.c
+++ b/src/gallium/auxiliary/rtasm/rtasm_execmem.c
@@ -83,8 +83,8 @@ rtasm_exec_malloc(size_t size)
init_heap();
if (exec_heap) {
- size = (size + 31) & ~31;
- block = u_mmAllocMem( exec_heap, size, 32, 0 );
+ size = (size + 31) & ~31; /* next multiple of 32 bytes */
+ block = u_mmAllocMem( exec_heap, size, 5, 0 ); /* 5 -> 32-byte alignment */
}
if (block)
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