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| author | Oleg Endo <olegendo@gcc.gnu.org> | 2012-07-30 06:43:20 +0000 |
|---|---|---|
| committer | Oleg Endo <olegendo@gcc.gnu.org> | 2012-07-30 06:43:20 +0000 |
| commit | be82afe609f07d51a1d57fecbd1daf1882528f4c (patch) | |
| tree | d938ac0cb46f49f74a958f70cafcfcbbc3032015 | |
| parent | c0fd34971d2d719227d63ed8d069089862ec9c9f (diff) | |
| download | gcc-be82afe609f07d51a1d57fecbd1daf1882528f4c.zip gcc-be82afe609f07d51a1d57fecbd1daf1882528f4c.tar.gz gcc-be82afe609f07d51a1d57fecbd1daf1882528f4c.tar.bz2 | |
re PR target/54089 ([SH] Refactor shift patterns)
PR target/54089
* config/sh/sh.md (ashlsi3_d): Invoke gen_shifty_op directly instead
of trying to emit ashlsi3_n.
From-SVN: r189952
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/sh/sh.md | 7 |
2 files changed, 12 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ec3d4d0..c734d93 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-07-30 Oleg Endo <olegendo@gcc.gnu.org> + + PR target/54089 + * config/sh/sh.md (ashlsi3_d): Invoke gen_shifty_op directly instead + of trying to emit ashlsi3_n. + 2012-07-30 Laurynas Biveinis <laurynas.biveinis@gmail.com> Steven Bosscher <steven@gcc.gnu.org> diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md index d8be111..b9be129 100644 --- a/gcc/config/sh/sh.md +++ b/gcc/config/sh/sh.md @@ -3533,7 +3533,12 @@ label: } else if (!satisfies_constraint_P27 (operands[2])) { - emit_insn (gen_ashlsi3_n (operands[0], operands[1], operands[2])); + /* This must happen before reload, otherwise the constant will be moved + into a register due to the "r" constraint, after which this split + cannot be done anymore. + Unfortunately the move insn will not always be eliminated. */ + emit_move_insn (operands[0], operands[1]); + gen_shifty_op (ASHIFT, operands); DONE; } |