diff options
Diffstat (limited to 'gcc48-rh1537828-1.patch')
| -rw-r--r-- | gcc48-rh1537828-1.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc48-rh1537828-1.patch b/gcc48-rh1537828-1.patch new file mode 100644 index 0000000..45ac7eb --- /dev/null +++ b/gcc48-rh1537828-1.patch @@ -0,0 +1,38 @@ +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)) + |