diff options
| author | Toma Tabacu <toma.tabacu@imgtec.com> | 2017-03-21 14:00:19 +0000 |
|---|---|---|
| committer | Toma Tabacu <toma.tabacu@imgtec.com> | 2017-03-21 14:00:19 +0000 |
| commit | 2cf8d1fd53778f585a61c608c097c03ecf7a6142 (patch) | |
| tree | 0939957026e8cca930f946c8e8c0fb8127b47cc3 | |
| parent | b445ececba27e5a6183d6ff087b859561735f701 (diff) | |
Apply temporary fix for PR rtl-optimization/79150.
gcc/
PR rtl-optimization/79150
* config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
conditional jump, if the jump is the last insn of the loop.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@246320 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/mips/mips.c | 3 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 81a27f9f051..ff2cd7a15bc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-03-21 Toma Tabacu <toma.tabacu@imgtec.com> + + PR rtl-optimization/79150 + * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the + conditional jump, if the jump is the last insn of the loop. + 2017-03-21 Bill Schmidt <wschmidt@linux.vnet.ibm.com> Richard Biener <rguenth@suse.com> diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index 7778207dfc4..d1deb523a1e 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -8098,6 +8098,9 @@ mips_block_move_loop (rtx dest, rtx src, HOST_WIDE_INT length, /* Mop up any left-over bytes. */ if (leftover) mips_block_move_straight (dest, src, leftover); + else + /* Temporary fix for PR79150. */ + emit_insn (gen_nop ()); } /* Expand a movmemsi instruction, which copies LENGTH bytes from |