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| author | nemet <nemet@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-04-17 01:59:41 +0000 |
|---|---|---|
| committer | nemet <nemet@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-04-17 01:59:41 +0000 |
| commit | 4956440ac07a9f23c0c768685dbb1f7cf172b9e2 (patch) | |
| tree | 58a07ed2ef2fe0457a23ba7f949c521901afd762 /gcc/targhooks.c | |
| parent | 1bb0349635e7ca67875558ca5679943027928589 (diff) | |
| download | gcc-4956440ac07a9f23c0c768685dbb1f7cf172b9e2.tar.gz | |
* target.h (struct gcc_target): Add mode_rep_extended.
* rtlanal.c (num_sign_bit_copies_in_rep): New global.
(init_num_sign_bit_copies_in_rep): Initialize it using
mode_rep_extended.
(truncate_to_mode): Use it.
(init_rtlanal): Call init_num_sign_bit_copies_in_rep.
* targhooks.h (default_mode_rep_extended): Declare it.
* targhooks.c (default_mode_rep_extended): Define it.
* target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
default_mode_rep_extended.
(TARGET_INITIALIZER): Include it.
* doc/tm.texi (Misc): Document it.
* config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
(mips_truncated_to_mode): New function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@112998 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/targhooks.c')
| -rw-r--r-- | gcc/targhooks.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/targhooks.c b/gcc/targhooks.c index f33704b0101..a12d6b557ba 100644 --- a/gcc/targhooks.c +++ b/gcc/targhooks.c @@ -156,6 +156,15 @@ default_min_divisions_for_recip_mul (enum machine_mode mode ATTRIBUTE_UNUSED) return have_insn_for (DIV, mode) ? 3 : 2; } +/* The default implementation of TARGET_MODE_REP_EXTENDED. */ + +int +default_mode_rep_extended (enum machine_mode mode ATTRIBUTE_UNUSED, + enum machine_mode mode_rep ATTRIBUTE_UNUSED) +{ + return UNKNOWN; +} + /* Generic hook that takes a CUMULATIVE_ARGS pointer and returns true. */ bool |