RFA: Exhume the ARM port [PR icedtea/484, 323]
aph at redhat.com
Tue Oct 25 02:29:58 PDT 2011
On 10/24/2011 11:32 AM, Matthias Klose wrote:
> On 10/20/2011 03:55 PM, Andrew Haley wrote:
>> * openjdk-ecj/hotspot/src/cpu/zero/vm/cppInterpreter_arm.S
>> (REWRITE_PAIRS): New macro.
>> * openjdk-ecj/hotspot/src/cpu/zero/vm/bytecodes_arm.def: Use
>> REWRITE_PAIRS to prevent rewriting pairs of bytecodes in the
>> instruction stream.
> this should be
> test results for build with -mfloat-abi=softfp and mfloat-abi=hard are attached.
> The build fails when building with -march=armv7a -mthumb.
I'm not at all surprised. I think we should simply mark this
combination unsupported for the time being.
> LD_LIBRARY_PATH=. ./gamma -Xbatch -showversion Queens
> Illegal instruction
> Starting program:
> -Xbatch -showversion Queens
> [Thread debugging using libthread_db enabled]
> Program received signal SIGILL, Illegal instruction.
> 0x400faef2 in Thumb2_Clear_Cache () from ./libjvm.so
I'll see if I can duplicate this.
> I get a successful build when adding -marm to CFLAGS in
> hotspot/make/linux/makefiles/gcc.make (having a compiler configured with
> --with-arch=armv7-a --with-float=softfp --with-fpu=vfpv3-d16 --with-mode=thumb)
> the jdk tests run up to
> Passed: java/beans/PropertyChangeSupport/Test4092905.java
> Passed: java/beans/PropertyChangeSupport/Test4353056.java
> then terminate. no error message.
OK, so I think we're good enough for this to go into trunk, for
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