This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |
Other format: | [Raw text] |
Hello! We need earlyclobber on output operand of doubleword shift insns, since we have to prevent (partial) output matching %ecx as count argument. 2016-11-09 Uros Bizjak <ubizjak@gmail.com> PR target/78262 * config/i386/i386.md (*<shift_insn><mode>3_doubleword): Mark operand 0 as earlyclobber. testsuite/ChangeLog: 2016-11-09 Uros Bizjak <ubizjak@gmail.com> PR target/78262 * gcc.target/i386/pr78262.c: New test. Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}. Committed to mainline, will be backported to release branches. Uros.
Attachment:
p.diff.txt
Description: Text document
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |