Re: [Qemu-devel] [PATCH] TCG S/390 backend

[malc]

On Tue, 5 May 2009, Ulrich Hecht wrote:

> Hi!
> 
> Here's the S/390 host support again. Run Windows CE on your mainframe, be the
> envy of other major financial institutions and government agencies. Changes
> since last time:
> 
> - implemented 64-bit operations
> - don't abuse R15 (stack pointer)
> - proper zero-extension before calling load/store helpers
> - implemented i32 divu/remu and RRR multiplication ops
> 
> Now i386, AMD64, ARM, SH4, and m68k system emulators work. MIPS works at
> least as well as on an AMD64 host, i.e. the test image from qemu.org just

Should work with '-M mips'.

> sits there without doing anything. The SPARC test image fails with a
> memory access exception in the target system, but works on an AMD64 host,
> so there probably still is a bug somewhere in the backend.

Tried to compare `-d in_asm' outputs of S390/AMD64 when using deterministic
execution (`-icount N')?

[..snip..]

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