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Blackfin patch: Use gen_const_mem.
- From: Bernd Schmidt <bernds_cb1 at t-online dot de>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Mon, 12 Sep 2005 12:48:48 +0200
- Subject: Blackfin patch: Use gen_const_mem.
Spotted this oversight from the 3.4->4.0 port while looking for uses of
gen_rtx_MEM after a recent thread made it sound that those are problematic.
Bernd
* config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
Index: config/bfin/bfin.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/bfin/bfin.c,v
retrieving revision 1.20
diff -c -p -r1.20 bfin.c
*** config/bfin/bfin.c 9 Aug 2005 09:47:52 -0000 1.20
--- config/bfin/bfin.c 12 Sep 2005 10:05:26 -0000
*************** legitimize_pic_address (rtx orig, rtx re
*** 150,163 ****
emit_insn (gen_movsi_high_pic (reg, addr));
emit_insn (gen_movsi_low_pic (reg, reg, addr));
emit_insn (gen_addsi3 (reg, reg, picreg));
! new = gen_rtx_MEM (Pmode, reg);
}
else
{
rtx tmp = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, addr),
UNSPEC_MOVE_PIC);
! new = gen_rtx_MEM (Pmode,
! gen_rtx_PLUS (Pmode, picreg, tmp));
}
emit_move_insn (reg, new);
}
--- 150,163 ----
emit_insn (gen_movsi_high_pic (reg, addr));
emit_insn (gen_movsi_low_pic (reg, reg, addr));
emit_insn (gen_addsi3 (reg, reg, picreg));
! new = gen_const_mem (Pmode, reg);
}
else
{
rtx tmp = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, addr),
UNSPEC_MOVE_PIC);
! new = gen_const_mem (Pmode,
! gen_rtx_PLUS (Pmode, picreg, tmp));
}
emit_move_insn (reg, new);
}