| Message ID | 726299fb66ec01967f3404ea2410026a3c0558a5.1421482716.git.segher@kernel.crashing.org |
|---|---|
| State | New |
| Headers | show |
On Sat, Jan 17, 2015 at 3:48 AM, Segher Boessenkool <segher@kernel.crashing.org> wrote: > This fixes 3 FAILs. > > The generic emit_stack_probe (that is used for probe_stack patterns) uses > word_mode, which won't fly for -m32 -mpowerpc64. Use probe_stack_address > instead, and create the MEM by hand. > > > 2015-01-16 Segher Boessenkool <segher@kernel.crashing.org> > > gcc/ > * config/rs6000/rs6000.md (probe_stack): Delete. > (probe_stack_address): New. Okay. Thanks, David
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index a97cc1d..570d28f 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -11691,11 +11691,13 @@ (define_insn "blockage" "" "") -(define_expand "probe_stack" - [(set (match_operand 0 "memory_operand" "=m") - (unspec [(const_int 0)] UNSPEC_PROBE_STACK))] +(define_expand "probe_stack_address" + [(use (match_operand 0 "address_operand"))] "" { + operands[0] = gen_rtx_MEM (Pmode, operands[0]); + MEM_VOLATILE_P (operands[0]) = 1; + if (TARGET_64BIT) emit_insn (gen_probe_stack_di (operands[0])); else -- 1.8.1.4 --- gcc/config/rs6000/rs6000.md | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index a97cc1d..570d28f 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -11691,11 +11691,12 @@ (define_insn "blockage" "" "") -(define_expand "probe_stack" - [(set (match_operand 0 "memory_operand" "=m") - (unspec [(const_int 0)] UNSPEC_PROBE_STACK))] +(define_expand "probe_stack_address" + [(use (match_operand 0 "address_operand"))] "" { + operands[0] = gen_rtx_MEM (Pmode, operands[0]); + if (TARGET_64BIT) emit_insn (gen_probe_stack_di (operands[0])); else