[Bug rtl-optimization/29631] [4.1 regression] Incorrect zero extension of signed short IV

2006-10-29 Thread ebotcazou at gcc dot gnu dot org
--- Comment #4 from ebotcazou at gcc dot gnu dot org 2006-10-29 11:35 --- So this is another loop.c bug. Confirmed. This is why it was removed, it was full of bugs :). With this criterion VRP wouldn't have survived either. :-) -- ebotcazou at gcc dot gnu dot org changed:

[Bug rtl-optimization/29631] [4.1 regression] Incorrect zero extension of signed short IV

2006-10-29 Thread ebotcazou at gcc dot gnu dot org
--- Comment #5 from ebotcazou at gcc dot gnu dot org 2006-10-29 11:35 --- Investigating. -- ebotcazou at gcc dot gnu dot org changed: What|Removed |Added

[Bug rtl-optimization/29631] [4.1 regression] Incorrect zero extension of signed short IV

2006-10-29 Thread ebotcazou at gcc dot gnu dot org
--- Comment #6 from ebotcazou at gcc dot gnu dot org 2006-10-29 21:40 --- It's another fallout of PR middle-end/25125. In final_cleanup: short unsigned int pretmp.53; short int p0; bb 0: pretmp.53 = (short unsigned int) delta; p0 = 2; ivtmp.59 = 0; L0:; p0 = (short int)

[Bug rtl-optimization/29631] [4.1 regression] Incorrect zero extension of signed short IV

2006-10-28 Thread pinskia at gcc dot gnu dot org
--- Comment #3 from pinskia at gcc dot gnu dot org 2006-10-28 23:19 --- No crash then. So this is another loop.c bug. This is why it was removed, it was full of bugs :). -- pinskia at gcc dot gnu dot org changed: What|Removed |Added