On 4/9/25 8:40 AM, Richard Biener wrote:
The previous change to fix LRA rematerialization broke compare-debug
for i586 bootstrap. Fixed by using prev_nonnote_nondebug_insn
instead of prev_nonnote_insn.
Bootstrapped on i586-linux where the miscompare is gone with this
patch. Bootstrap and regtest running on x86_64-unknown-linux-gnu.
OK if the latter succeeds?
Yes. Thank you, Richard.
PR rtl-optimization/119689
PR rtl-optimization/115568
* lra-remat.cc (create_cands): Use prev_nonnote_nondebug_insn
to check whether insn2 is directly before insn.
* g++.target/i386/pr119689.C: New testcase.
