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9ed4207fce
* optabs.h (enum optab_index): Add new OTI_isinf.
(isinf_optab): Define corresponding macro.
* optabs.c (init_optabs): Initialize isinf_optab.
* genopinit.c (optabs): Implement isinf_optab using isinf?f2
patterns.
* builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
(expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
using isinf_optab.
(expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
expand_builtin_interclass_mathfn.
* reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
* config/i386/i386.md (UNSPEC_FXAM): New constant.
(fxam<mode>2_i387): New insn pattern.
(isinf<mode>2) New expander to implement isinf, isinff and isinfl
built-in functions as x87 inline asm.
testsuite/ChangeLog:
* gcc.dg/builtins-63.c: New test.
From-SVN: r121419
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