r266340 - in /trunk/gcc: ChangeLog config/i386/...

[jakub@gcc.gnu.org]

Author: jakub
Date: Wed Nov 21 10:45:58 2018
New Revision: 266340

URL: https://gcc.gnu.org/viewcvs?rev=266340&root=gcc&view=rev
Log:
	PR rtl-optimization/87817
	* config/i386/i386.md (bmi2_bzhi_<mode>3, *bmi2_bzhi_<mode>3,
	*bmi2_bzhi_<mode>3_1, *bmi2_bzhi_<mode>3_1_ccz): Use IF_THEN_ELSE
	in the pattern to avoid triggering UB when operands[2] is zero.
	(tbm_bextri_<mode>): New expander.  Renamed the old define_insn to ...
	(*tbm_bextri_<mode>): ... this.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md