diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 23 |
2 files changed, 29 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8c4b988..507320d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-01-18 Wilco Dijkstra <wdijkstr@arm.com> + + * config/aarch64/aarch64.c (aarch64_sched_adjust_priority) + New function. + (TARGET_SCHED_ADJUST_PRIORITY): Define target hook. + 2017-01-18 Maxim Ostapenko <m.ostapenko@samsung.com> PR lto/79061 diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 27f2dc9..39a5880 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -14070,6 +14070,26 @@ aarch64_sched_fusion_priority (rtx_insn *insn, int max_pri, return; } +/* Implement the TARGET_SCHED_ADJUST_PRIORITY hook. + Adjust priority of sha1h instructions so they are scheduled before + other SHA1 instructions. */ + +static int +aarch64_sched_adjust_priority (rtx_insn *insn, int priority) +{ + rtx x = PATTERN (insn); + + if (GET_CODE (x) == SET) + { + x = SET_SRC (x); + + if (GET_CODE (x) == UNSPEC && XINT (x, 1) == UNSPEC_SHA1H) + return priority + 10; + } + + return priority; +} + /* Given OPERANDS of consecutive load/store, check if we can merge them into ldp/stp. LOAD is true if they are load instructions. MODE is the mode of memory operands. */ @@ -14991,6 +15011,9 @@ aarch64_libgcc_floating_mode_supported_p #undef TARGET_CAN_USE_DOLOOP_P #define TARGET_CAN_USE_DOLOOP_P can_use_doloop_if_innermost +#undef TARGET_SCHED_ADJUST_PRIORITY +#define TARGET_SCHED_ADJUST_PRIORITY aarch64_sched_adjust_priority + #undef TARGET_SCHED_MACRO_FUSION_P #define TARGET_SCHED_MACRO_FUSION_P aarch64_macro_fusion_p |