On 11/12/19 7:56 AM, Dragan Mladjenovic wrote: > From: "Dragan Mladjenovic" <dmladjeno...@wavecomp.com> > > This was dormant for quite some time, but it started happening for me > on gcc.c-torture/compile/pr65153.c sometime after r276645 for -mabi=32 linux > runs. > > The pattern accepts any SMALL_OPERAND constant value while it asserts during > the final > that the value is in the mode size range. I this case it happens that > combine_and_move_insns > during ira makes a pattern with negative "shift count" which fails at final > stage. > > This simple fix just truncates the constant operand to mode size the same as > shift patterns. > > gcc/ChangeLog: > > 2019-11-12 Dragan Mladjenovic <dmladjeno...@wavecomp.com> > > * config/mips/mips.md (rotr<mode>3): Sanitize the constant argument > instead of asserting its value. > --- > > Ok, for trunk and backport to gcc 9 and 8 branches? OK. But I'm not sure the formatting is right. The bit-and operator should be indented so that it lines up with the start of INTVAL (...).
jeff