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| author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-04 08:50:36 +0000 |
|---|---|---|
| committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-04 08:50:36 +0000 |
| commit | c49547c45490b7a0c0281d90f79848aa3191ba88 (patch) | |
| tree | 4320b41f468e28f9439feab3f57dff953085081c /gcc/target-def.h | |
| parent | c068056a5c1064f44c6ad502c60981420b4a4562 (diff) | |
| download | gcc-c49547c45490b7a0c0281d90f79848aa3191ba88.tar.gz | |
* doc/md.texi (shift patterns): New anchor. Add reference to
TARGET_SHIFT_TRUNCATION_MASK.
* doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
* target.h (shift_truncation_mask): New target hook.
* targhook.h (default_shift_truncation_mask): Declare.
* targhook.c (default_shift_truncation_mask): Define.
* target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
(TARGET_INITIALIZER): Include it.
* simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
and LSHIFTRT cases. Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
reject all out-of-range values. Fix sign-extension code for modes
whose width is smaller than HOST_BITS_PER_WIDE_INT.
* optabs.c (simplify_expand_binop, force_expand_binop): New functions.
(expand_superword_shift, expand_subword_shift): Likewise.
(expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
(expand_binop): Use them to implement double-word shifts.
* config/arm/arm.c (arm_shift_truncation_mask): New function.
(TARGET_SHIFT_TRUNCATION_MASK): Define.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87079 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/target-def.h')
| -rw-r--r-- | gcc/target-def.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/target-def.h b/gcc/target-def.h index 3b4c11b0694..01837efd604 100644 --- a/gcc/target-def.h +++ b/gcc/target-def.h @@ -301,6 +301,10 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #define TARGET_BINDS_LOCAL_P default_binds_local_p #endif +#ifndef TARGET_SHIFT_TRUNCATION_MASK +#define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask +#endif + #ifndef TARGET_VALID_POINTER_MODE #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode #endif @@ -488,6 +492,7 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. TARGET_BINDS_LOCAL_P, \ TARGET_ENCODE_SECTION_INFO, \ TARGET_STRIP_NAME_ENCODING, \ + TARGET_SHIFT_TRUNCATION_MASK, \ TARGET_VALID_POINTER_MODE, \ TARGET_SCALAR_MODE_SUPPORTED_P, \ TARGET_VECTOR_MODE_SUPPORTED_P, \ |