(expand_mult): Generalize to call synth_mult also for OP1 - 1.

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(ceil_log2): New function.
(choose_multiplier): New function.
(invert_mod2n): New function.
(expand_mult_highpart_adjust): New function.
(expand_mult_highpart): New function.
(EXACT_POWER_OF_2_OR_ZERO_P): New macro.
(expand_divmod): Almost completely rewritten.
(expand_shift): Don't truncate immediate shift count, it doesn't work
for types smaller than int.

From-SVN: r7598

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This commit is contained in:

Torbjorn Granlund 1994-06-29 00:23:02 +00:00

parent f02d60632f

commit 55c2d311c4

1 changed files with 1030 additions and 295 deletions

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