Author: zoltan
Date: 2008-01-20 12:24:46 -0500 (Sun, 20 Jan 2008)
New Revision: 93353
Modified:
trunk/mono/mono/mini/ChangeLog
trunk/mono/mono/mini/mini-amd64.c
Log:
2008-01-20 Zoltan Varga <[EMAIL PROTECTED]>
* mini-amd64.c (mono_arch_emit_prolog): Optimize the omit fp case to
save two
stack slots.
Modified: trunk/mono/mono/mini/ChangeLog
===================================================================
--- trunk/mono/mono/mini/ChangeLog 2008-01-20 16:30:17 UTC (rev 93352)
+++ trunk/mono/mono/mini/ChangeLog 2008-01-20 17:24:46 UTC (rev 93353)
@@ -1,3 +1,8 @@
+2008-01-20 Zoltan Varga <[EMAIL PROTECTED]>
+
+ * mini-amd64.c (mono_arch_emit_prolog): Optimize the omit fp case to
save two
+ stack slots.
+
2008-01-18 Zoltan Varga <[EMAIL PROTECTED]>
* mini-amd64.c (mono_arch_emit_prolog): Disable the new optimization if
Modified: trunk/mono/mono/mini/mini-amd64.c
===================================================================
--- trunk/mono/mono/mini/mini-amd64.c 2008-01-20 16:30:17 UTC (rev 93352)
+++ trunk/mono/mono/mini/mini-amd64.c 2008-01-20 17:24:46 UTC (rev 93353)
@@ -4415,18 +4415,21 @@
}
}
- alloc_size = ALIGN_TO (cfg->stack_offset, MONO_ARCH_FRAME_ALIGNMENT);
-
- alloc_size -= pos;
-
- if (cfg->arch.omit_fp)
+ if (cfg->arch.omit_fp) {
/*
* On enter, the stack is misaligned by the the pushing of the
return
* address. It is either made aligned by the pushing of %rbp,
or by
* this.
*/
- alloc_size += 8;
+ alloc_size = ALIGN_TO (cfg->stack_offset, 8);
+ if ((alloc_size % 16) == 0)
+ alloc_size += 8;
+ } else {
+ alloc_size = ALIGN_TO (cfg->stack_offset,
MONO_ARCH_FRAME_ALIGNMENT);
+ alloc_size -= pos;
+ }
+
cfg->arch.stack_alloc_size = alloc_size;
/* Allocate stack frame */
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