[Bug target/52076] bloated code for setting single bits in bitfields on m68k

2015-01-22 Thread law at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52076 --- Comment #2 from Jeffrey A. Law --- Author: law Date: Thu Jan 22 21:24:28 2015 New Revision: 220015 URL: https://gcc.gnu.org/viewcvs?rev=220015&root=gcc&view=rev Log: PR target/52076 * config/m68k/m68k.md (xorsi3_internal): Twiddle co

[Bug target/52076] bloated code for setting single bits in bitfields on m68k

2012-02-01 Thread sch...@linux-m68k.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52076 --- Comment #1 from Andreas Schwab 2012-02-01 11:15:57 UTC --- gcc 4.1 and before generate or.b #-128,(%a0) instead of bfins. As a consequence of this they also generate moveq.l #4,%d0 instead of move.b, but never shorten the write.

[Bug target/52076] bloated code for setting single bits in bitfields on m68k

2012-02-01 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52076 Richard Guenther changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|