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| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c4a7c62..e745313 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2017-10-08 Jan Hubicka <hubicka@ucw.cz> + + * i386.c (has_dispatch): Disable for Ryzen. + 2017-10-08 Olivier Hainque <hainque@adacore.com> * config/arm/arm.c (arm_set_return_address): Use MEM_VOLATILE_P diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index e90cbfb..8613aa8 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -51798,8 +51798,9 @@ do_dispatch (rtx_insn *insn, int mode) static bool has_dispatch (rtx_insn *insn, int action) { + /* Current implementation of dispatch scheduler models buldozer only. */ if ((TARGET_BDVER1 || TARGET_BDVER2 || TARGET_BDVER3 - || TARGET_BDVER4 || TARGET_ZNVER1) && flag_dispatch_scheduler) + || TARGET_BDVER4) && flag_dispatch_scheduler) switch (action) { default: |