Richard Kenner 500c518b4d (subst, case NOT): If STORE_FLAG_VALUE==-1, treat an ASHIFTRT of just the sign bit as if it were an LT. ...

(subst, case NOT): If STORE_FLAG_VALUE==-1, treat an ASHIFTRT of just the
sign bit as if it were an LT.
(subst, case XOR): Likewise for STORE_FLAG_VALUE==1 and an LSHIFTRT.
(simplify_and_const_int, case LSHIFTRT): If shifting a sign bit copy,
start shift at the sign bit.
(simplify_shift_const): Likewise for ASHIFTRT.

(BYTE_LOADS_EXTEND): Fix typo when defining.
(setup_incoming_promotions): Set modes properly.

From-SVN: r3575

1993-03-01 07:32:27 -05:00

gcc

(subst, case NOT): If STORE_FLAG_VALUE==-1, treat an ASHIFTRT of just the sign bit as if it were an LT.

1993-03-01 07:32:27 -05:00

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