[Bug middle-end/17958] expand_divmod fails to optimize division of 64-bit quantity by small constant when BITS_PER_WORD is 32
pinskia at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Tue Oct 12 22:55:00 GMT 2004
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-10-12 22:55 -------
not all constants though (power of 2 are fine) for an example 16:
mr r12,r3
srawi r11,r3,31
srawi r9,r11,31
srawi r10,r11,31
srwi r10,r9,28
li r9,0
addc r12,r10,r4
adde r11,r9,r3
srwi r4,r12,4
insrwi r4,r11,4,0
srawi r3,r11,4
Confirmed.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Component|rtl-optimization |middle-end
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2004-10-12 22:55:35
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17958
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