diff options
| author | Ulrich Weigand <Ulrich.Weigand@de.ibm.com> | 2011-07-13 19:19:35 +0000 |
|---|---|---|
| committer | Ulrich Weigand <Ulrich.Weigand@de.ibm.com> | 2011-07-13 19:19:35 +0000 |
| commit | c7ca9bbddbba236a5f06f900d730302e6f96229c (patch) | |
| tree | 0721be8077e2a408794af4290c038b455ca94b7b /gcc/config/spu | |
| parent | 025ef3b635230dc5f73e6abc4e0ea310dc161742 (diff) | |
* config/spu/spu.c (spu_init_libfuncs): Install __clrsbdi2.
* config/spu/spu.md ("clrsb<mode>2"): New expander.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@176249 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/spu')
| -rw-r--r-- | gcc/config/spu/spu.c | 1 | ||||
| -rw-r--r-- | gcc/config/spu/spu.md | 15 |
2 files changed, 16 insertions, 0 deletions
diff --git a/gcc/config/spu/spu.c b/gcc/config/spu/spu.c index 6d168faff35..7d9be5e3236 100644 --- a/gcc/config/spu/spu.c +++ b/gcc/config/spu/spu.c @@ -5630,6 +5630,7 @@ spu_init_libfuncs (void) set_optab_libfunc (ffs_optab, DImode, "__ffsdi2"); set_optab_libfunc (clz_optab, DImode, "__clzdi2"); set_optab_libfunc (ctz_optab, DImode, "__ctzdi2"); + set_optab_libfunc (clrsb_optab, DImode, "__clrsbdi2"); set_optab_libfunc (popcount_optab, DImode, "__popcountdi2"); set_optab_libfunc (parity_optab, DImode, "__paritydi2"); diff --git a/gcc/config/spu/spu.md b/gcc/config/spu/spu.md index 79d0757ed17..426437ac873 100644 --- a/gcc/config/spu/spu.md +++ b/gcc/config/spu/spu.md @@ -2232,6 +2232,21 @@ operands[5] = spu_const(<MODE>mode, 31); }) +(define_expand "clrsb<mode>2" + [(set (match_dup 2) + (gt:VSI (match_operand:VSI 1 "spu_reg_operand" "") (match_dup 5))) + (set (match_dup 3) (not:VSI (xor:VSI (match_dup 1) (match_dup 2)))) + (set (match_dup 4) (clz:VSI (match_dup 3))) + (set (match_operand:VSI 0 "spu_reg_operand") + (plus:VSI (match_dup 4) (match_dup 5)))] + "" + { + operands[2] = gen_reg_rtx (<MODE>mode); + operands[3] = gen_reg_rtx (<MODE>mode); + operands[4] = gen_reg_rtx (<MODE>mode); + operands[5] = spu_const(<MODE>mode, -1); + }) + (define_expand "ffs<mode>2" [(set (match_dup 2) (neg:VSI (match_operand:VSI 1 "spu_reg_operand" ""))) |