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Re: building sh-elf / sh-linux (Was: Re: [PATCH/RFA] PR target/13250)
- From: Joern Rennecke <joern dot rennecke at superh dot com>
- To: gcc-patches at gcc dot gnu dot org
- Cc: kkojima at rr dot iij4u dot or dot jp (Kaz Kojima), joern dot rennecke at superh dot com, aoliva at redhat dot comc dot gnu dot org
- Date: Mon, 7 Jun 2004 21:20:28 +0100 (BST)
- Subject: Re: building sh-elf / sh-linux (Was: Re: [PATCH/RFA] PR target/13250)
> 2004-06-04 J"orn Rennecke <firstname.lastname@example.org>
> * basic-block.h (could_fall_through): Declare.
> * cfganal.c (can_fallthru): Suceed if the target is EXIT_BLOCK_PTR.
> Fail if the source already has a fallthrough edge to the exit
> block pointer.
> (could_fall_through): New function.
> (make_edges): Check if we already have a fallthrough edge to the
> exit block pointer.
> cfglayout.c (fixup_fallthru_exit_predecessor): Delete.
> (cfg_layout_finalize): Don't call it.
> (fixup_reorder_chain): A fall through to the exit block does not
> require the block to come last. Add sanity checks.
> * cfgrtl.c (rtl_split_edge): Add special handling of fall through
> edges to the exit block.
> 2004-06-03 J"orn Rennecke <email@example.com>
> * real.c (do_add): Initialize r->signalling and r->canonical.
> 2004-05-14 J"orn Rennecke <firstname.lastname@example.org>
> * sched-int.h (in_post_call_group_p): Change type to enum.
> * sched-deps.c (sched_analyze_insn):
> (sched_analyze): When in_post_call_group_p is post_call_initial,
> don't add a dependency, but still set SCHED_GROUP_P and CANT_MOVE,
> and also reset in_post_call_group_p to post_call.
> (sched_analyze): When the previous basic block ended in a CALL_INSN,
> initialize in_post_call_group_p as post_call_initial.
> (init_deps): initialize in_post_call_group_p to not_post_call.
Sorry about the noise I created when trying to bootstrap with a Red Hat
gcc 2.96 compiler.
Using a gcc 3.0.2 bootstrap compiler, I could bootstrap both original and
patched sources, and the set of regressions is also identical for both.