https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124042
--- Comment #4 from Filip Kastl <pheeck at gcc dot gnu.org> --- -mearly-ra=none helps. The miscompare doesn't reproduce with it. The relevant lines from an4.log (-Ofast -march=native PGO -mearly-ra=none, test workload): 750 126 162 -537204 -148846 0 T 947 163 185 -540794 -74100 -1 <sil> 1281 186 200 -229685 -148846 0 N 1935 201 284 -1552966 -74100 -1 <sil> 2336 285 341 -1028411 -74100 -1 <sil> 2700 342 365 -307116 -148846 0 U 3054 366 397 -458916 -74100 -1 <sil> 3056 398 398 0 -148846 0 </s> INFO: utt.c(337): 398 frm; 1703 sen, 3704 gau/fr, Sen 0.00 CPU 0.00 Clk [Ovrhd 0.00 CPU 0.00 Clk]; 841 hmm, 8 wd/fr, 0.00 CPU 0.00 Clk (an406-fcaw-b) INFO: lm.c(826): 29545 bg(), 29533 bo; 1 fills, 1 in mem (50.0%)
