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spu.c (spu_init_libfuncs): Install __clrsbdi2. 

* config/spu/spu.c (spu_init_libfuncs): Install __clrsbdi2.
	* config/spu/spu.md ("clrsb<mode>2"): New expander.

From-SVN: r176249
This commit is contained in:
Ulrich Weigand 2011-07-13 19:19:35 +00:00 committed by Ulrich Weigand
parent dddc67624e
commit 4dfe3ad52b
3 changed files with 21 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-07-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* config/spu/spu.c (spu_init_libfuncs): Install __clrsbdi2.
* config/spu/spu.md ("clrsb<mode>2"): New expander.
2011-07-13 Thomas Schwinge <thomas@schwinge.name>
* acinclude.m4 (gcc_GAS_CHECK_FEATURE): Use AS_ECHO instead of echo.

1
gcc/config/spu/spu.c
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@ -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");

15
gcc/config/spu/spu.md
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@ -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" "")))