[Bug middle-end/80929] [7/8 Regression] Division with constant no more optimized to mult highpart

2017-07-30 Thread gjl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80929 --- Comment #6 from Georg-Johann Lay --- Created attachment 41861 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41861=edit time-i.c: C test case (In reply to Richard Biener from comment #4) > Fixed? No. The attached test case $

[Bug middle-end/80929] [7/8 Regression] Division with constant no more optimized to mult highpart

2017-07-25 Thread gjl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80929 --- Comment #5 from Georg-Johann Lay --- (In reply to Richard Biener from comment #4) > Fixed? Not sure; the middle-end (rtlanal.c::insn_rtx_cost, seq_cost) are still bypassing PARALLELs with more than 1 SET, i.e. assume cost of 1.

[Bug middle-end/80929] [7/8 Regression] Division with constant no more optimized to mult highpart

2017-07-25 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80929 --- Comment #4 from Richard Biener --- Fixed?

[Bug middle-end/80929] [7/8 Regression] Division with constant no more optimized to mult highpart

2017-07-25 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80929 Richard Biener changed: What|Removed |Added Target Milestone|--- |7.2

[Bug middle-end/80929] [7/8 Regression] Division with constant no more optimized to mult highpart

2017-07-17 Thread gjl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80929 --- Comment #3 from Georg-Johann Lay --- Author: gjl Date: Mon Jul 17 09:09:42 2017 New Revision: 250260 URL: https://gcc.gnu.org/viewcvs?rev=250260=gcc=rev Log: Backport from 2017-07-17 trunk r250258. PR 80929 *

[Bug middle-end/80929] [7/8 Regression] Division with constant no more optimized to mult highpart

2017-07-17 Thread gjl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80929 --- Comment #2 from Georg-Johann Lay --- Author: gjl Date: Mon Jul 17 09:06:39 2017 New Revision: 250259 URL: https://gcc.gnu.org/viewcvs?rev=250259=gcc=rev Log: Backport from 2017-07-17 trunk r250258. PR 80929 *

[Bug middle-end/80929] [7/8 Regression] Division with constant no more optimized to mult highpart

2017-07-17 Thread gjl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80929 --- Comment #1 from Georg-Johann Lay --- Author: gjl Date: Mon Jul 17 08:56:06 2017 New Revision: 250258 URL: https://gcc.gnu.org/viewcvs?rev=250258=gcc=rev Log: PR 80929 * config/avr/avr.c (avr_mul_highpart_cost): New static