[Bug rtl-optimization/21848] load_mems / replace_loop_mems bug causes miscompilation of jcf-io.c / SEGV while processing java/lang/AbstractMethodError

["cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-07-18 14:57 -------
Subject: Bug 21848

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	sh-elf-4_1-branch
Changes by:	amylaar@gcc.gnu.org	2005-07-18 14:57:06

Modified files:
	gcc            : ChangeLog loop.c cse.c calls.c ifcvt.c 

Log message:
	2005-07-15  J"orn Rennecke <joern.rennecke@st.com>
	
	cvs update -j1.531 -j1.530 loop.c
	Re-apply this patch:
	2005-05-30  Pat Haugen  <pthaugen@us.ibm.com>
	* loop.c (loop_invariant_p, valid_initial_value_p): Use
	regs_invalidated_by_call instead of call_used_regs.
	
	2005-07-15  J"orn Rennecke <joern.rennecke@superh.com>
	
	PR rtl-optimization/18992
	http://gcc.gnu.org/ml/gcc-patches/2005-07/msg01140.html
	Back out this patch:
	2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
	PR optimization/12142
	* cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
	uses of the register in the SET_SRC.  Remove unnecessary argument.
	
	Replace it with this:
	* cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
	if flag_non_call_exceptions is set and the insn may trap, pass
	pc_rtx as dest for recursion.
	In SET_SRC part of SET case, if dest is already set, pass it down
	unchanged.
	
	2005-07-15  J"orn Rennecke <joern.rennecke@superh.com>
	
	PR rtl-optimization/21848
	http://gcc.gnu.org/ml/gcc-patches/2005-07/msg01142.html
	* calls.c (emit_library_call_value_1): For const functions, add
	USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
	
	2005-07-15  J"orn Rennecke <joern.rennecke@superh.com>
	
	PR rtl-optimization/20370
	http://gcc.gnu.org/ml/gcc-patches/2005-07/msg01148.html
	* ifcvt.c (dead_or_predicable): Before calling propagate_block,
	call allocate_reg_info if necessary.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=sh-elf-4_1-branch&r1=2.8142.2.23&r2=2.8142.2.24
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop.c.diff?cvsroot=gcc&only_with_tag=sh-elf-4_1-branch&r1=1.525.2.2&r2=1.525.2.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cse.c.diff?cvsroot=gcc&only_with_tag=sh-elf-4_1-branch&r1=1.351.2.1&r2=1.351.2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/calls.c.diff?cvsroot=gcc&only_with_tag=sh-elf-4_1-branch&r1=1.385.2.1&r2=1.385.2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ifcvt.c.diff?cvsroot=gcc&only_with_tag=sh-elf-4_1-branch&r1=1.184.2.2&r2=1.184.2.3



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21848