diff options
Diffstat (limited to 'gcc48-rh1469697-19.patch')
| -rw-r--r-- | gcc48-rh1469697-19.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc48-rh1469697-19.patch b/gcc48-rh1469697-19.patch new file mode 100644 index 0000000..655097e --- /dev/null +++ b/gcc48-rh1469697-19.patch @@ -0,0 +1,36 @@ +2017-10-31 Segher Boessenkool <segher@kernel.crsahing.org> + + PR target/82674 + * config/rs6000/rs6000.md (allocate_stack): Force update interval + into a register if it does not fit into an immediate offset field. + + +diff -Nrup a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md +--- a/gcc/config/rs6000/rs6000.md 2017-11-06 09:12:21.128237467 -0700 ++++ b/gcc/config/rs6000/rs6000.md 2017-11-06 09:13:40.521601373 -0700 +@@ -11886,6 +11886,9 @@ + { + rtx loop_lab, end_loop; + bool rotated = CONST_INT_P (rounded_size); ++ rtx update = GEN_INT (-probe_interval); ++ if (probe_interval > 32768) ++ update = force_reg (Pmode, update); + + emit_stack_clash_protection_probe_loop_start (&loop_lab, &end_loop, + last_addr, rotated); +@@ -11893,13 +11896,11 @@ + if (Pmode == SImode) + emit_insn (gen_movsi_update_stack (stack_pointer_rtx, + stack_pointer_rtx, +- GEN_INT (-probe_interval), +- chain)); ++ update, chain)); + else + emit_insn (gen_movdi_di_update_stack (stack_pointer_rtx, + stack_pointer_rtx, +- GEN_INT (-probe_interval), +- chain)); ++ update, chain)); + emit_stack_clash_protection_probe_loop_end (loop_lab, end_loop, + last_addr, rotated); + } |