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2018-04-10 Segher Boessenkool <segher@kernel.crashing.org>
PR target/85287
* gcc/config/rs6000/rs6000.md (allocate_stack): Put the residual size
for stack clash protection in a register whenever we need it to be in
a register.
--- a/gcc/config/rs6000/rs6000.md 2018/04/10 21:09:30 259298
+++ b/gcc/config/rs6000/rs6000.md 2018/04/10 21:37:34 259299
@@ -9783,14 +9783,12 @@
/* Now handle residuals. We just have to set operands[1] correctly
and let the rest of the expander run. */
operands[1] = residual;
- if (!CONST_INT_P (residual))
- operands[1] = force_reg (Pmode, operands[1]);
}
- if (GET_CODE (operands[1]) != CONST_INT
- || INTVAL (operands[1]) < -32767
- || INTVAL (operands[1]) > 32768)
+ if (!(CONST_INT_P (operands[1])
+ && IN_RANGE (INTVAL (operands[1]), -32767, 32768)))
{
+ operands[1] = force_reg (Pmode, operands[1]);
neg_op0 = gen_reg_rtx (Pmode);
if (TARGET_32BIT)
emit_insn (gen_negsi2 (neg_op0, operands[1]));
@@ -9798,7 +9796,7 @@
emit_insn (gen_negdi2 (neg_op0, operands[1]));
}
else
- neg_op0 = GEN_INT (- INTVAL (operands[1]));
+ neg_op0 = GEN_INT (-INTVAL (operands[1]));
insn = emit_insn ((* ((TARGET_32BIT) ? gen_movsi_update_stack
: gen_movdi_di_update_stack))