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authorRichard Kenner <kenner@gcc.gnu.org>1992-09-20 05:51:37 -0400
committerRichard Kenner <kenner@gcc.gnu.org>1992-09-20 05:51:37 -0400
commit457816e2e2cfcb8a5a2e1112cd464f5040e7fdc3 (patch)
tree2a1dfa278070ec0a829313ae5033e2531d98a7cf /gcc/emit-rtl.c
parent46da6b3a5a0124b854ec6b9ad518187b8df4e805 (diff)
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(subst, simplify_and_const_int, significant_bits): Treat BYTE_LOADS_SIGN_EXTEND just like BYTE_LOADS_ZERO_EXTEND.
(subst, simplify_and_const_int, significant_bits): Treat BYTE_LOADS_SIGN_EXTEND just like BYTE_LOADS_ZERO_EXTEND. (num_sign_bit_copies, case MEM): New case for BYTE_LOADS_SIGN_EXTEND. (num_sign_bit_copies, case SUBREG): Handle just like significant_bits. From-SVN: r2189
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