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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2010-04-08 15:07:57 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2010-04-08 15:07:57 +0000 |
| commit | 40ac4f73faa256e049279c1611d47a685ff7f370 (patch) | |
| tree | 0ebeefa37492fc33063a9f55bc090391a092d0fd /gcc/target-def.h | |
| parent | 07c60ef701e0fe0c65f0186bd521ee83b6c24c3c (diff) | |
Implement target hook for loop unrolling
2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
Wolfgang Gellerich <gellerich@de.ibm.com>
Implement target hook for loop unrolling
* target.h (loop_unroll_adjust): Add a new target hook function.
* target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
* doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
* config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
(s390_loop_unroll_adjust): Implement the new target hook for s390.
* loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll target hook
(decide_unroll_stupid): Likewise.
Co-Authored-By: Wolfgang Gellerich <gellerich@de.ibm.com>
From-SVN: r158132
Diffstat (limited to 'gcc/target-def.h')
| -rw-r--r-- | gcc/target-def.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/target-def.h b/gcc/target-def.h index a3c0b2c13a5..d0566650cf7 100644 --- a/gcc/target-def.h +++ b/gcc/target-def.h @@ -545,6 +545,7 @@ default_branch_target_register_class #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false #define TARGET_HAVE_CONDITIONAL_EXECUTION default_have_conditional_execution +#define TARGET_LOOP_UNROLL_ADJUST NULL #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false #define TARGET_CANNOT_COPY_INSN_P NULL #define TARGET_COMMUTATIVE_P hook_bool_const_rtx_commutative_p @@ -947,6 +948,7 @@ TARGET_BRANCH_TARGET_REGISTER_CLASS, \ TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED, \ TARGET_HAVE_CONDITIONAL_EXECUTION, \ + TARGET_LOOP_UNROLL_ADJUST, \ TARGET_CANNOT_FORCE_CONST_MEM, \ TARGET_CANNOT_COPY_INSN_P, \ TARGET_COMMUTATIVE_P, \ |