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riscv-gcc-1
Commit 314b621e by Jakub Jelinek Committed by Jakub Jelinek
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re PR rtl-optimization/32300 (ICE with -O2 -fsee) 

	PR rtl-optimization/32300
	* see.c (see_copy_insn): New function.
	(see_def_extension_not_merged, see_merge_one_use_extension,
	see_merge_one_def_extension): Use it.  Avoid changing
	PREV_INSN/NEXT_INSN chains directly, insted emit insns
	into sequences.  Call df_insn_delete on temporary insns
	that won't be emitted into the insn stream.
	(rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
	and run df_process_deferred_rescans () before run_fast_dce.

From-SVN: r128108
parent d3079c44
Showing with 117 additions and 65 deletions
gcc/ChangeLog
......@@ -3,6 +3,16 @@
* config/rs6000/tramp.asm: Include config.h.
Check __PIC__ or __pic__ macro instead of SHARED.
PR rtl-optimization/32300
* see.c (see_copy_insn): New function.
(see_def_extension_not_merged, see_merge_one_use_extension,
see_merge_one_def_extension): Use it. Avoid changing
PREV_INSN/NEXT_INSN chains directly, insted emit insns
into sequences. Call df_insn_delete on temporary insns
that won't be emitted into the insn stream.
(rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
and run df_process_deferred_rescans () before run_fast_dce.
PR tree-optimization/33017
* tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't
recurse for pure or const function calls.
......
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