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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-10-22 21:11:01 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-10-22 21:11:01 +0000 |
| commit | 1e3734f59eee29ed335da8fc9f40e66903f64b20 (patch) | |
| tree | 51203651e08ac8824d7052d06963b16ff7492539 /gcc/combine.c | |
| parent | e10326ff910ab337741d0781a536435d51c5f044 (diff) | |
| download | gcc-1e3734f59eee29ed335da8fc9f40e66903f64b20.zip gcc-1e3734f59eee29ed335da8fc9f40e66903f64b20.tar.gz gcc-1e3734f59eee29ed335da8fc9f40e66903f64b20.tar.bz2 | |
Make more use of HWI_COMPUTABLE_MODE_P
This patch uses HWI_COMPUTABLE_MODE_P (X) instead of
GET_MODE_PRECISION (X) <= HOST_BITS_PER_WIDE_INT in cases
where X also needs to be a scalar integer.
2017-10-22 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* combine.c (simplify_comparison): Use HWI_COMPUTABLE_MODE_P.
(record_promoted_value): Likewise.
* expr.c (expand_expr_real_2): Likewise.
* ree.c (update_reg_equal_equiv_notes): Likewise.
(combine_set_extension): Likewise.
* rtlanal.c (low_bitmask_len): Likewise.
* simplify-rtx.c (neg_const_int): Likewise.
(simplify_binary_operation_1): Likewise.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253990
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index a58bb1e..3b912fa 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -11976,10 +11976,9 @@ simplify_comparison (enum rtx_code code, rtx *pop0, rtx *pop1) if (paradoxical_subreg_p (inner_op0) && GET_CODE (inner_op1) == SUBREG + && HWI_COMPUTABLE_MODE_P (GET_MODE (SUBREG_REG (inner_op0))) && (GET_MODE (SUBREG_REG (inner_op0)) == GET_MODE (SUBREG_REG (inner_op1))) - && (GET_MODE_PRECISION (GET_MODE (SUBREG_REG (inner_op0))) - <= HOST_BITS_PER_WIDE_INT) && (0 == ((~c0) & nonzero_bits (SUBREG_REG (inner_op0), GET_MODE (SUBREG_REG (inner_op0))))) && (0 == ((~c1) & nonzero_bits (SUBREG_REG (inner_op1), @@ -13318,7 +13317,7 @@ record_promoted_value (rtx_insn *insn, rtx subreg) unsigned int regno = REGNO (SUBREG_REG (subreg)); machine_mode mode = GET_MODE (subreg); - if (GET_MODE_PRECISION (mode) > HOST_BITS_PER_WIDE_INT) + if (!HWI_COMPUTABLE_MODE_P (mode)) return; for (links = LOG_LINKS (insn); links;) |