PR target/77822: Add helper macro EXTRACT_ARGS_IN_RANGE to system.h.
The macro can be used to validate the arguments of zero_extract and sign_extract to fix this problem: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77822 gcc/ChangeLog: 2016-12-02 Dominik Vogt <vogt@linux.vnet.ibm.com> PR target/77822 * rtl.h (EXTRACT_ARGS_IN_RANGE): New. From-SVN: r243159
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2016-12-02 Dominik Vogt <vogt@linux.vnet.ibm.com>
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PR target/77822
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* rtl.h (EXTRACT_ARGS_IN_RANGE): New.
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2016-12-02 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
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* gcc/config/s390/s390.c (s390_builtin_vectorization_cost): New
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gcc/rtl.h
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gcc/rtl.h
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@ -2694,6 +2694,16 @@ get_full_set_src_cost (rtx x, machine_mode mode, struct full_rtx_costs *c)
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}
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#endif
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/* A convenience macro to validate the arguments of a zero_extract
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expression. It determines whether SIZE lies inclusively within
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[1, RANGE], POS lies inclusively within between [0, RANGE - 1]
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and the sum lies inclusively within [1, RANGE]. RANGE must be
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>= 1, but SIZE and POS may be negative. */
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#define EXTRACT_ARGS_IN_RANGE(SIZE, POS, RANGE) \
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(IN_RANGE ((POS), 0, (unsigned HOST_WIDE_INT) (RANGE) - 1) \
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&& IN_RANGE ((SIZE), 1, (unsigned HOST_WIDE_INT) (RANGE) \
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- (unsigned HOST_WIDE_INT)(POS)))
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/* In explow.c */
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extern HOST_WIDE_INT trunc_int_for_mode (HOST_WIDE_INT, machine_mode);
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extern rtx plus_constant (machine_mode, rtx, HOST_WIDE_INT, bool = false);
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