Blame SOURCES/gcc48-rh1537828-1.patch
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2018-04-10 Segher Boessenkool <segher@kernel.crashing.org>
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PR target/85287
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* gcc/config/rs6000/rs6000.md (allocate_stack): Put the residual size
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for stack clash protection in a register whenever we need it to be in
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a register.
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--- a/gcc/config/rs6000/rs6000.md 2018/04/10 21:09:30 259298
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+++ b/gcc/config/rs6000/rs6000.md 2018/04/10 21:37:34 259299
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@@ -9783,14 +9783,12 @@
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/* Now handle residuals. We just have to set operands[1] correctly
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and let the rest of the expander run. */
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operands[1] = residual;
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- if (!CONST_INT_P (residual))
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- operands[1] = force_reg (Pmode, operands[1]);
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}
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- if (GET_CODE (operands[1]) != CONST_INT
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- || INTVAL (operands[1]) < -32767
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- || INTVAL (operands[1]) > 32768)
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+ if (!(CONST_INT_P (operands[1])
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+ && IN_RANGE (INTVAL (operands[1]), -32767, 32768)))
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{
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+ operands[1] = force_reg (Pmode, operands[1]);
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neg_op0 = gen_reg_rtx (Pmode);
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if (TARGET_32BIT)
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emit_insn (gen_negsi2 (neg_op0, operands[1]));
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@@ -9798,7 +9796,7 @@
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emit_insn (gen_negdi2 (neg_op0, operands[1]));
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}
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else
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- neg_op0 = GEN_INT (- INTVAL (operands[1]));
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+ neg_op0 = GEN_INT (-INTVAL (operands[1]));
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insn = emit_insn ((* ((TARGET_32BIT) ? gen_movsi_update_stack
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: gen_movdi_di_update_stack))
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