On 7 March 2014 13:19, Stefan Weil <s...@weilnetz.de> wrote: > test-i386 does some calculations and prints the results (see source code > tests/tcg/test-i386.c). If the user mode emulation of QEMU works, it > should not matter whether that executable runs native or emulated and > both outputs be identical. They aren't - that's why I think we have a > TCG problem to solve.
I think TCG x86 FPU emulation has been a bit dodgy since forever; it's a fair amount of work to go through and fix everything up to be bitwise exact results versus hardware and I think that nobody's cared enough about x86 emulation to do that... thanks -- PMM