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| author | Jakub Jelinek <jakub@redhat.com> | 2017-11-21 08:49:14 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2017-11-21 08:49:14 +0100 |
| commit | 644f013227facdd53e313b2cb60745cedfe0c6c8 (patch) | |
| tree | 46c8f4d8d3cf8e3a1adc2878d0aa870e6bbbf709 /gcc/internal-fn.c | |
| parent | b76602dcf22ea0dd89560142d7a4d00c928f5abe (diff) | |
| download | gcc-644f013227facdd53e313b2cb60745cedfe0c6c8.zip gcc-644f013227facdd53e313b2cb60745cedfe0c6c8.tar.gz gcc-644f013227facdd53e313b2cb60745cedfe0c6c8.tar.bz2 | |
re PR target/82981 (unnecessary __multi3 call for mips64r6 linux kernel)
PR target/82981
* internal-fn.c (expand_mul_overflow): Use OPTAB_WIDEN instead of
OPTAB_DIRECT in calls to expand_simple_binop.
From-SVN: r254986
Diffstat (limited to 'gcc/internal-fn.c')
| -rw-r--r-- | gcc/internal-fn.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/gcc/internal-fn.c b/gcc/internal-fn.c index 1c00792..139dcff 100644 --- a/gcc/internal-fn.c +++ b/gcc/internal-fn.c @@ -1760,7 +1760,7 @@ expand_mul_overflow (location_t loc, tree lhs, tree arg0, tree arg1, tem = convert_modes (mode, hmode, lopart, 1); tem = expand_shift (LSHIFT_EXPR, mode, tem, hprec, NULL_RTX, 1); tem = expand_simple_binop (mode, MINUS, loxhi, tem, NULL_RTX, - 1, OPTAB_DIRECT); + 1, OPTAB_WIDEN); emit_move_insn (loxhi, tem); emit_label (after_hipart_neg); @@ -1774,7 +1774,7 @@ expand_mul_overflow (location_t loc, tree lhs, tree arg0, tree arg1, profile_probability::even ()); tem = expand_simple_binop (mode, MINUS, loxhi, larger, NULL_RTX, - 1, OPTAB_DIRECT); + 1, OPTAB_WIDEN); emit_move_insn (loxhi, tem); emit_label (after_lopart_neg); @@ -1783,7 +1783,7 @@ expand_mul_overflow (location_t loc, tree lhs, tree arg0, tree arg1, /* loxhi += (uns) lo0xlo1 >> (bitsize / 2); */ tem = expand_shift (RSHIFT_EXPR, mode, lo0xlo1, hprec, NULL_RTX, 1); tem = expand_simple_binop (mode, PLUS, loxhi, tem, NULL_RTX, - 1, OPTAB_DIRECT); + 1, OPTAB_WIDEN); emit_move_insn (loxhi, tem); /* if (loxhi >> (bitsize / 2) @@ -1810,7 +1810,7 @@ expand_mul_overflow (location_t loc, tree lhs, tree arg0, tree arg1, convert_modes (hmode, mode, lo0xlo1, 1), 1); tem = expand_simple_binop (mode, IOR, loxhishifted, tem, res, - 1, OPTAB_DIRECT); + 1, OPTAB_WIDEN); if (tem != res) emit_move_insn (res, tem); emit_jump (done_label); @@ -1835,7 +1835,7 @@ expand_mul_overflow (location_t loc, tree lhs, tree arg0, tree arg1, if (!op0_medium_p) { tem = expand_simple_binop (hmode, PLUS, hipart0, const1_rtx, - NULL_RTX, 1, OPTAB_DIRECT); + NULL_RTX, 1, OPTAB_WIDEN); do_compare_rtx_and_jump (tem, const1_rtx, GTU, true, hmode, NULL_RTX, NULL, do_error, profile_probability::very_unlikely ()); @@ -1844,7 +1844,7 @@ expand_mul_overflow (location_t loc, tree lhs, tree arg0, tree arg1, if (!op1_medium_p) { tem = expand_simple_binop (hmode, PLUS, hipart1, const1_rtx, - NULL_RTX, 1, OPTAB_DIRECT); + NULL_RTX, 1, OPTAB_WIDEN); do_compare_rtx_and_jump (tem, const1_rtx, GTU, true, hmode, NULL_RTX, NULL, do_error, profile_probability::very_unlikely ()); |