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authorjsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4>2006-12-01 02:25:22 +0000
committerjsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4>2006-12-01 02:25:22 +0000
commit695595bc82d7f51412777a18601b972fd8607b1f (patch)
tree3b6620756f6468172f9d6c83a27617279a0da87c /gcc/defaults.h
parentee147ce2d7bcf78a153b2cc873ed3f99859eb1f5 (diff)
downloadgcc-695595bc82d7f51412777a18601b972fd8607b1f.tar.gz
2006-12-01 Joseph Myers <joseph@codesourcery.com>
David Edelsohn <edelsohn@gnu.org> PR target/24036 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING, HARD_REGNO_NREGS_WITH_PADDING): Document new target macros. * defaults.h (HARD_REGNO_NREGS_HAS_PADDING, HARD_REGNO_NREGS_WITH_PADDING): Define. * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING, HARD_REGNO_NREGS_WITH_PADDING): Define. * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p): Use new macros to detect modes with holes; do not look at integer units. (subreg_offset_representable_p): Check for and disallow cases where the modes use different numbers of bits from registers. * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode constant for soft-float. (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs containing doubles. (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves in E500 double case. * config/rs6000/rs6000.md (movtf): Allow soft-float. (movtf_softfloat): New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119395 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/defaults.h')
-rw-r--r--gcc/defaults.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h
index 3d470e94730..6af5f17bd7d 100644
--- a/gcc/defaults.h
+++ b/gcc/defaults.h
@@ -895,4 +895,9 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
#define INCOMING_FRAME_SP_OFFSET 0
#endif
+#ifndef HARD_REGNO_NREGS_HAS_PADDING
+#define HARD_REGNO_NREGS_HAS_PADDING(REGNO, MODE) 0
+#define HARD_REGNO_NREGS_WITH_PADDING(REGNO, MODE) -1
+#endif
+
#endif /* ! GCC_DEFAULTS_H */