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Fix MIPS32 frame-pointer forcing for more recent GCC.

This commit is contained in:
Joseph Myers 2012-06-14 15:18:27 +00:00
parent 7fe70b0c06
commit e525bc9c26
2 changed files with 9 additions and 2 deletions
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6
ChangeLog.mips
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@ -1,3 +1,9 @@
2012-06-14 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
(FORCE_FRAME_POINTER): Assign result of alloca to a volatile
variable.
2012-06-01 Joseph Myers <joseph@codesourcery.com>
* sysdeps/mips/mips64/n32/s_fma.c: New file.

5
sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
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@ -194,8 +194,9 @@
/* We need to use a frame pointer for the functions in which we
adjust $sp around the syscall, or debug information and unwind
information will be $sp relative and thus wrong during the syscall. As
of GCC 3.4.3, this is sufficient. */
#define FORCE_FRAME_POINTER alloca (4)
of GCC 4.7, this is sufficient. */
#define FORCE_FRAME_POINTER \
void *volatile __fp_force __attribute__ ((unused)) = alloca (4)
#define internal_syscall5(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5)\
({ \