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2003-07-10 Kazu Hirata <kazu@cs.umass.edu> PR c/11449 * fold-const.c (sign_bit_p): Return EXP if VAL is the sign bit of HOST_WIDE_INT. (fold_single_bit_test): If sign_bit_p() fails, assume that the bit being tested is not a sign bit. 2003-07-04 Jeff Law <law@redhat.com> PR c/11428 * expr.c (do_store_flag): Pass in the correct result type when calling fold_single_bit_test. * fold-const.c (fold_single_bit_test): Use result_type for the result when folding a sign bit test. 2003-07-02 Jeff Law <law@redhat.com> * expr.c (do_store_flag): Remove special case folding for single bit tests. Instead call back into the commonized folder routine. * fold-const.c (fold_single_bit_test): New function, mostly extracted from do_store_flag, with an additional case extracted from fold. (fold): Call fold_single_bit_test appropriately. * tree.h (fold_single_bit_test): Prototype. |
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