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| author | Richard Sandiford <rdsandiford@googlemail.com> | 2013-11-09 11:42:16 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2013-11-09 11:42:16 +0000 |
| commit | 1d0216c8b79931cffcc5599b8a9a4f6eaf86d2b7 (patch) | |
| tree | 5b96e2c7a588193d1b4019f9316a1ca13b8376ce /gcc/config/arm | |
| parent | 12929715b124071e523316c28897c8a05083cf12 (diff) | |
| download | gcc-1d0216c8b79931cffcc5599b8a9a4f6eaf86d2b7.zip gcc-1d0216c8b79931cffcc5599b8a9a4f6eaf86d2b7.tar.gz gcc-1d0216c8b79931cffcc5599b8a9a4f6eaf86d2b7.tar.bz2 | |
target.def (can_use_doloop_p): New hook.
gcc/
* target.def (can_use_doloop_p): New hook.
* doc/tm.texi.in (TARGET_CAN_USE_DOLOOP_P): Add.
* doc/tm.texi: Regenerate.
* doc/md.texi (doloop_begin, doloop_end): Update documentation.
* hooks.h (hook_bool_dint_dint_uint_true): Declare.
* hooks.c (hook_bool_dint_dint_uint_true): New function.
* targhooks.h (can_use_doloop_if_innermost): Declare.
* targhooks.c (can_use_doloop_if_innermost): New function.
* target.h: Include double-int.h.
* loop-doloop.c (doloop_optimize): Call targetm.can_use_doloop_p.
Remove iteration count, maximum iteration count, loop depth and
enter-at-top inputs from doloop_begin and doloop_end.
* config/arc/arc.md (doloop_begin, doloop_end): Update for new
interface.
* config/arc/arc.c (arc_can_use_doloop_p): New function.
(TARGET_CAN_USE_DOLOOP_P): Define.
* config/arm/thumb2.md (doloop_end): Update for new interface.
* config/arm/arm.c (TARGET_CAN_USE_DOLOOP_P): Define.
* config/bfin/bfin.md (doloop_end): Update for new interface.
* config/bfin/bfin.c (bfin_can_use_doloop_p): New function.
(TARGET_CAN_USE_DOLOOP_P): Define.
* config/c6x/c6x.md (doloop_end): Update for new interface.
* config/ia64/ia64.md (doloop_end): Update for new interface.
* config/ia64/ia64.c (TARGET_CAN_USE_DOLOOP_P): Define.
* config/mep/mep.md (doloop_begin, doloop_end): Update for new
interface.
* config/mep/mep.c (mep_emit_doloop): Likewise.
(TARGET_CAN_USE_DOLOOP_P): Define.
* config/rs6000/rs6000.md (doloop_end): Update for new interface.
* config/rs6000/rs6000.c (TARGET_CAN_USE_DOLOOP_P): Define.
* config/s390/s390.md (doloop_end): Update for new interface.
* config/sh/sh.md (doloop_end): Likewise.
* config/spu/spu.md (doloop_end): Likewise.
* config/spu/spu.c (TARGET_CAN_USE_DOLOOP_P): Define.
* config/tilegx/tilegx.md (doloop_end): Update for new interface.
* config/tilegx/tilegx.c (TARGET_CAN_USE_DOLOOP_P): Define.
* config/tilepro/tilepro.md (doloop_end): Update for new interface.
* config/tilepro/tilepro.c (TARGET_CAN_USE_DOLOOP_P): Define.
* config/v850/v850.md (doloop_begin, doloop_end): Update for new
interface.
* config/v850/v850.c (TARGET_CAN_USE_DOLOOP_P): Define.
From-SVN: r204614
Diffstat (limited to 'gcc/config/arm')
| -rw-r--r-- | gcc/config/arm/arm.c | 2 | ||||
| -rw-r--r-- | gcc/config/arm/thumb2.md | 12 |
2 files changed, 4 insertions, 10 deletions
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 930bdf6..acb1c16 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -667,6 +667,8 @@ static const struct attribute_spec arm_attribute_table[] = #undef MAX_INSN_PER_IT_BLOCK #define MAX_INSN_PER_IT_BLOCK (arm_restrict_it ? 1 : 4) +#undef TARGET_CAN_USE_DOLOOP_P +#define TARGET_CAN_USE_DOLOOP_P can_use_doloop_if_innermost struct gcc_target targetm = TARGET_INITIALIZER; diff --git a/gcc/config/arm/thumb2.md b/gcc/config/arm/thumb2.md index 3b5944a..b8b49fe 100644 --- a/gcc/config/arm/thumb2.md +++ b/gcc/config/arm/thumb2.md @@ -1449,11 +1449,7 @@ ;; knows what to generate. (define_expand "doloop_end" [(use (match_operand 0 "" "")) ; loop pseudo - (use (match_operand 1 "" "")) ; iterations; zero if unknown - (use (match_operand 2 "" "")) ; max iterations - (use (match_operand 3 "" "")) ; loop level - (use (match_operand 4 "" "")) ; label - (use (match_operand 5 "" ""))] ; flag: 1 if loop entered at top, else 0 + (use (match_operand 1 "" ""))] ; label "TARGET_32BIT" " { @@ -1472,10 +1468,6 @@ rtx insn; rtx cmp; - /* Only use this on innermost loops. */ - if (INTVAL (operands[3]) > 1) - FAIL; - if (GET_MODE (operands[0]) != SImode) FAIL; @@ -1488,7 +1480,7 @@ cmp = XVECEXP (PATTERN (insn), 0, 0); cc_reg = SET_DEST (cmp); bcomp = gen_rtx_NE (VOIDmode, cc_reg, const0_rtx); - loc_ref = gen_rtx_LABEL_REF (VOIDmode, operands [4]); + loc_ref = gen_rtx_LABEL_REF (VOIDmode, operands [1]); emit_jump_insn (gen_rtx_SET (VOIDmode, pc_rtx, gen_rtx_IF_THEN_ELSE (VOIDmode, bcomp, loc_ref, pc_rtx))); |