[M3commit] CVS Update: cm3

[Tony Hosking]

Can you provide a more descriptive checkin comment?  I don't know what has been done here without diving into the diff.

Antony Hosking | Associate Professor | Computer Science | Purdue University
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On Jan 5, 2011, at 9:37 AM, Jay K wrote:

> diff attached
> 
> > Date: Wed, 5 Jan 2011 15:34:55 +0000
> > To: m3commit at elegosoft.com
> > From: jkrell at elego.de
> > Subject: [M3commit] CVS Update: cm3
> > 
> > CVSROOT:	/usr/cvs
> > Changes by:	jkrell at birch.	11/01/05 15:34:55
> > 
> > Modified files:
> > cm3/m3-libs/m3core/src/C/Common/: Csetjmp.i3 
> > cm3/m3-libs/m3core/src/C/I386_CYGWIN/: Csetjmp.i3 
> > cm3/m3-libs/m3core/src/C/I386_MINGW/: Csetjmp.i3 
> > cm3/m3-libs/m3core/src/C/I386_NT/: Csetjmp.i3 
> > cm3/m3-libs/m3core/src/C/NT386/: Csetjmp.i3 
> > cm3/m3-libs/m3core/src/runtime/ex_frame/: RTExFrame.m3 
> > cm3/m3-libs/m3core/src/unix/Common/: Uconstants.c 
> > cm3/m3-sys/m3cc/gcc/gcc/m3cg/: parse.c 
> > cm3/m3-sys/m3front/src/misc/: Marker.m3 
> > cm3/m3-sys/m3front/src/stmts/: TryFinStmt.m3 TryStmt.m3 
> > cm3/m3-sys/m3middle/src/: M3RT.i3 M3RT.m3 Target.i3 Target.m3 
> > 
> > Log message:
> > use: extern INTEGER Csetjmp__Jumpbuf_size /* = sizeof(jmp_buf);
> > alloca(Csetjmp__Jumpbuf_size)
> > 
> > to allocate jmp_buf
> > 
> > - eliminates a large swath of target-dependent code
> > - allows for covering up the inability to declare
> > types with alignment > 64 bits
> > 
> > It is, granted, a little bit slower, in an already prety slow path.
> > Note that alloca isn't actually a function call, at least with gcc backend.
> > 
> <jmpbuf_alloca.txt>

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