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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2018-07-12 13:01:33 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2018-07-12 13:01:33 +0000 |
| commit | b41d1f6ed753bf7ae7e68f745e50c26ee65b5711 (patch) | |
| tree | ebae427289293f6e3740a7445a2efd490b062588 /gcc/optabs.def | |
| parent | 6a86928d9882c17b7526d657a38cb314fa0aaba6 (diff) | |
Add IFN_COND_FMA functions
This patch adds conditional equivalents of the IFN_FMA built-in functions.
Most of it is just a mechanical extension of the binary stuff.
2018-07-12 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* doc/md.texi (cond_fma, cond_fms, cond_fnma, cond_fnms): Document.
* optabs.def (cond_fma_optab, cond_fms_optab, cond_fnma_optab)
(cond_fnms_optab): New optabs.
* internal-fn.def (COND_FMA, COND_FMS, COND_FNMA, COND_FNMS): New
internal functions.
(FMA): Use DEF_INTERNAL_FLT_FN rather than DEF_INTERNAL_FLT_FLOATN_FN.
* internal-fn.h (get_conditional_internal_fn): Declare.
(get_unconditional_internal_fn): Likewise.
* internal-fn.c (cond_ternary_direct): New macro.
(expand_cond_ternary_optab_fn): Likewise.
(direct_cond_ternary_optab_supported_p): Likewise.
(FOR_EACH_COND_FN_PAIR): Likewise.
(get_conditional_internal_fn): New function.
(get_unconditional_internal_fn): Likewise.
* gimple-match.h (gimple_match_op::MAX_NUM_OPS): Bump to 5.
(gimple_match_op::gimple_match_op): Add a new overload for 5
operands.
(gimple_match_op::set_op): Likewise.
(gimple_resimplify5): Declare.
* genmatch.c (decision_tree::gen): Generate simplifications for
5 operands.
* gimple-match-head.c (gimple_simplify): Define an overload for
5 operands. Handle calls with 5 arguments in the top-level overload.
(convert_conditional_op): Handle conversions from unconditional
internal functions to conditional ones.
(gimple_resimplify5): New function.
(build_call_internal): Pass a fifth operand.
(maybe_push_res_to_seq): Likewise.
(try_conditional_simplification): Try converting conditional
internal functions to unconditional internal functions.
Handle 3-operand unconditional forms.
* match.pd (UNCOND_TERNARY, COND_TERNARY): Operator lists.
Define ternary equivalents of the current rules for binary conditional
internal functions.
* config/aarch64/aarch64.c (aarch64_preferred_else_value): Handle
ternary operations.
* config/aarch64/iterators.md (UNSPEC_COND_FMLA, UNSPEC_COND_FMLS)
(UNSPEC_COND_FNMLA, UNSPEC_COND_FNMLS): New unspecs.
(optab): Handle them.
(SVE_COND_FP_TERNARY): New int iterator.
(sve_fmla_op, sve_fmad_op): New int attributes.
* config/aarch64/aarch64-sve.md (cond_<optab><mode>)
(*cond_<optab><mode>_2, *cond_<optab><mode_4)
(*cond_<optab><mode>_any): New SVE_COND_FP_TERNARY patterns.
gcc/testsuite/
* gcc.dg/vect/vect-cond-arith-3.c: New test.
* gcc.target/aarch64/sve/vcond_13.c: Likewise.
* gcc.target/aarch64/sve/vcond_13_run.c: Likewise.
* gcc.target/aarch64/sve/vcond_14.c: Likewise.
* gcc.target/aarch64/sve/vcond_14_run.c: Likewise.
* gcc.target/aarch64/sve/vcond_15.c: Likewise.
* gcc.target/aarch64/sve/vcond_15_run.c: Likewise.
* gcc.target/aarch64/sve/vcond_16.c: Likewise.
* gcc.target/aarch64/sve/vcond_16_run.c: Likewise.
From-SVN: r262587
Diffstat (limited to 'gcc/optabs.def')
| -rw-r--r-- | gcc/optabs.def | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/optabs.def b/gcc/optabs.def index 707d9696b4c..5a67f5eed5e 100644 --- a/gcc/optabs.def +++ b/gcc/optabs.def @@ -234,6 +234,10 @@ OPTAB_D (cond_smin_optab, "cond_smin$a") OPTAB_D (cond_smax_optab, "cond_smax$a") OPTAB_D (cond_umin_optab, "cond_umin$a") OPTAB_D (cond_umax_optab, "cond_umax$a") +OPTAB_D (cond_fma_optab, "cond_fma$a") +OPTAB_D (cond_fms_optab, "cond_fms$a") +OPTAB_D (cond_fnma_optab, "cond_fnma$a") +OPTAB_D (cond_fnms_optab, "cond_fnms$a") OPTAB_D (cmov_optab, "cmov$a6") OPTAB_D (cstore_optab, "cstore$a4") OPTAB_D (ctrap_optab, "ctrap$a4") |