http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60752
Bug ID: 60752
Summary: [4.9 Regression] build/genautomata runs out of memory
and is killed
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: danglin at gcc dot gnu.org
Host: armv5tejl-unknown-linux-gnueabi
Target: armv5tejl-unknown-linux-gnueabi
Build: armv5tejl-unknown-linux-gnueabi
In stage1:]
g++ -c -g -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables
-
W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format
-Wmissing-format-
attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings
-DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../gcc/gcc
-I../../gcc/gcc/b
uild -I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include -isystem
/hom
e/dave/opt/gnu/include \
-o build/genautomata.o ../../gcc/gcc/genautomata.c
g++ -g -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W
-Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format
-Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -DHAVE_CONFIG_H -DGENERATOR_FILE -static-libstdc++
-static-libgcc -o build/genautomata \
build/genautomata.o build/rtl.o build/read-rtl.o build/ggc-none.o
build/vec.o build/min-insn-modes.o build/gensupport.o build/print-rtl.o
build/read-md.o build/errors.o
../build-armv5tejl-unknown-linux-gnueabi/libiberty/libiberty.a -lm
build/genautomata ../../gcc/gcc/config/arm/arm.md \
insn-conditions.md > tmp-automata.c
/bin/sh: line 1: 15093 Killed build/genautomata
../../gcc/gcc/config/arm/arm.md insn-conditions.md > tmp-automata.c
make[3]: *** [s-automata] Error 137
This occurs on a system with 512MB of memory (RD-6251-A).
Regression was introduced by following change:
2014-03-28 Kyrylo Tkachov <kyrylo.tkac...@arm.com>
* config/arm/aarch-common.c (aarch_crypto_can_dual_issue): New.
* config/arm/aarch-common-protos.h (aarch_crypto_can_dual_issue):
Declare extern.
* config/arm/cortex-a53.md: Add reservations and bypass for crypto
instructions as well as AdvancedSIMD loads.
