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Re: [PATCH] Somewhat improve generated code at -O0 (fallout of the -O0 -g debugging patch)

From: Richard Henderson <rth at redhat dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Thu, 09 Oct 2008 10:46:53 -0700
Subject: Re: [PATCH] Somewhat improve generated code at -O0 (fallout of the -O0 -g debugging patch)
References: <20081009094738.GD13196@tyan-ft48-01.lab.bos.redhat.com>

Jakub Jelinek wrote:

	* rtl.h (locator_eq): New decl.
	* cfglayout.c (locator_scope): New function.
	(insn_scope): Use it.
	(locator_eq): New function.
	(fixup_reorder_chain): Search for last insn in src bb
	that has locator set or first insn in dest bb.  Use
	locator_eq instead of == to compare locators.
	* cfgrtl.c (cfg_layout_merge_blocks): Likewise.
	* cfgcleanup.c (try_forward_edges): Use locator_eq instead of
	== to compare locators.

Ok.

r~

References:
- [PATCH] Somewhat improve generated code at -O0 (fallout of the -O0 -g debugging patch)
  - From: Jakub Jelinek

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