[Bug target/99600] [11 regression] out of memory for simple test case (x86 -march=atom)
arnd at linaro dot org
gcc-bugzilla@gcc.gnu.org
Mon Mar 15 14:26:05 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99600
Arnd Bergmann <arnd at linaro dot org> changed:
What |Removed |Added
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CC| |jakub at redhat dot com
--- Comment #2 from Arnd Bergmann <arnd at linaro dot org> ---
perf shows these functions as the most commonly called ones, presumably it's
looping through all of those:
5.39% cc1 cc1 [.] df_ref_create_structure
5.33% cc1 cc1 [.] df_uses_record
4.41% cc1 cc1 [.] ggc_internal_alloc
3.41% cc1 cc1 [.] df_ref_record
2.79% cc1 cc1 [.] peephole2_insns
2.69% cc1 cc1 [.] ix86_lea_outperforms
2.58% cc1 cc1 [.] df_insn_rescan
2.33% cc1 cc1 [.] df_sort_and_compress_refs
2.05% cc1 cc1 [.] df_free_ref
This recent change touches ix86_lea_outperforms, could be related:
https://github.com/gcc-mirror/gcc/commit/decd8fb01288
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