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(gen_reload): Handle SUBREG in PLUS specially too.

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(gen_reload): Handle SUBREG in PLUS specially too.  Change calls to
emit_move_insn to recursive calls.

From-SVN: r12856
This commit is contained in:
Richard Kenner 1996-09-29 15:56:23 -04:00
parent 0404429725
commit 5c6b1bd2d3
1 changed files with 7 additions and 5 deletions
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12
gcc/reload1.c
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@ -6818,8 +6818,10 @@ gen_reload (out, in, opnum, type)
if (GET_CODE (in) == PLUS
&& (GET_CODE (XEXP (in, 0)) == REG
|| GET_CODE (XEXP (in, 0)) == SUBREG
|| GET_CODE (XEXP (in, 0)) == MEM)
&& (GET_CODE (XEXP (in, 1)) == REG
|| GET_CODE (XEXP (in, 1)) == SUBREG
|| CONSTANT_P (XEXP (in, 1))
|| GET_CODE (XEXP (in, 1)) == MEM))
{
@ -6880,12 +6882,12 @@ gen_reload (out, in, opnum, type)
DEFINE_PEEPHOLE should be specified that recognizes the sequence
we emit below. */
if (CONSTANT_P (op1) || GET_CODE (op1) == MEM
if (CONSTANT_P (op1) || GET_CODE (op1) == MEM || GET_CODE (op1) == SUBREG
|| (GET_CODE (op1) == REG
&& REGNO (op1) >= FIRST_PSEUDO_REGISTER))
tem = op0, op0 = op1, op1 = tem;
emit_insn (gen_move_insn (out, op0));
gen_reload (out, op0, opnum, type);
/* If OP0 and OP1 are the same, we can use OUT for OP1.
This fixes a problem on the 32K where the stack pointer cannot
@ -6913,7 +6915,7 @@ gen_reload (out, in, opnum, type)
delete_insns_since (last);
emit_insn (gen_move_insn (out, op1));
gen_reload (out, op1, opnum, type);
emit_insn (gen_add2_insn (out, op0));
}
@ -6934,8 +6936,8 @@ gen_reload (out, in, opnum, type)
if (GET_MODE (loc) != GET_MODE (in))
in = gen_rtx (REG, GET_MODE (loc), REGNO (in));
emit_insn (gen_move_insn (loc, in));
emit_insn (gen_move_insn (out, loc));
gen_reload (loc, in, opnum, type);
gen_reload (out, loc, opnum, type);
}
#endif