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| author | olegendo <olegendo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-01-26 23:56:05 +0000 |
|---|---|---|
| committer | olegendo <olegendo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-01-26 23:56:05 +0000 |
| commit | da519e84eebe91ed7b121b2a57171d28e1fedb29 (patch) | |
| tree | ee29468871e63260274fe84d0ff21a1e5b303dee /gcc/config/sh | |
| parent | 6f195da7c61804cae9f48c42191e34e8ab9377bb (diff) | |
| download | gcc-da519e84eebe91ed7b121b2a57171d28e1fedb29.tar.gz | |
gcc/
PR target/49263
* config/sh/sh.c (sh_split_treg_set_expr): Invoke emit_insn before
remove_insn.
* config/sh/sh.md (tstsi_t): Don't try to optimize constant with right
shifts if it already fits into K08.
gcc/testsuite/
PR target/49263
* gcc.target/sh/pr49263-4.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@220144 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/sh')
| -rw-r--r-- | gcc/config/sh/sh.c | 4 | ||||
| -rw-r--r-- | gcc/config/sh/sh.md | 8 |
2 files changed, 8 insertions, 4 deletions
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 7d07634abe3..a7427f56288 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -14466,6 +14466,8 @@ sh_split_treg_set_expr (rtx x, rtx_insn* curr_insn) fprintf (dump_file, "trailing nott insn %d\n", INSN_UID (nott_insn)); } + emit_insn (insnlist.first); + if (nott_insn != NULL && append_nott) { if (dump_file) @@ -14475,8 +14477,6 @@ sh_split_treg_set_expr (rtx x, rtx_insn* curr_insn) append_nott = false; } - emit_insn (insnlist.first); - if (append_nott) nott_insn = emit_insn (gen_nott (get_t_reg_rtx ())); diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md index 956d1ef672e..4a39e12d8db 100644 --- a/gcc/config/sh/sh.md +++ b/gcc/config/sh/sh.md @@ -742,8 +742,12 @@ variant instead and load the constant into a reg. For that we'd need to do some analysis. */ - if ((op1val & 0xFFFF) == 0 - && CONST_OK_FOR_K08 (op1val >> 16) && optimize_size) + if (CONST_OK_FOR_K08 (op1val)) + { + /* Do nothing. */ + } + else if ((op1val & 0xFFFF) == 0 + && CONST_OK_FOR_K08 (op1val >> 16) && optimize_size) { /* Use a swap.w insn to do a shift + reg copy (to R0) in one insn. */ op1val = op1val >> 16; |