Commit 4107a275 authored by simonmar's avatar simonmar
Browse files

[project @ 2003-01-08 13:03:25 by simonmar]

Add -mno-omit-leaf-frame-pointer if gcc supports it.

MERGE TO STABLE
parent 63366c1a
-----------------------------------------------------------------------------
-- $Id: DriverFlags.hs,v 1.108 2002/12/17 13:50:29 simonmar Exp $
-- $Id: DriverFlags.hs,v 1.109 2003/01/08 13:03:25 simonmar Exp $
--
-- Driver flags
--
......@@ -579,7 +579,15 @@ machdepCCOpts
return ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else ""
-- , if suffixMatch "mingw32" cTARGETPLATFORM then "-mno-cygwin" else ""
],
[ "-fno-defer-pop", "-fomit-frame-pointer",
[ "-fno-defer-pop",
#ifdef HAVE_GCC_MNO_OMIT_LFPTR
-- Some gccs are configured with
-- -momit-leaf-frame-pointer on by default, and it
-- apparently takes precedence over
-- -fomit-frame-pointer, so we disable it first here.
"-mno-omit-leaf-frame-pointer",
#endif
"-fomit-frame-pointer",
-- we want -fno-builtin, because when gcc inlines
-- built-in functions like memcpy() it tends to
-- run out of registers, requiring -monly-n-regs
......
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