[Bug 1841491] Re: floating point emulation can fail to set FE_UNDERFLOW

2020-01-10 Thread Thomas Huth
Ok, thanks for the pointer to the other bug! So I'm closing this one now. ** Changed in: qemu Status: Confirmed => Fix Released -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1841491 Title:

[Bug 1841491] Re: floating point emulation can fail to set FE_UNDERFLOW

2020-01-09 Thread Paul Clarke
Comment #5 suggested splitting the "float" issue to a separate bug, which was done some time ago (bug #1841592). I think this ticket can be closed. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Bug 1841491] Re: floating point emulation can fail to set FE_UNDERFLOW

2020-01-09 Thread Thomas Huth
A patch for this bug has been merged here: https://git.qemu.org/?p=qemu.git;a=commitdiff;h=cbc65a8f22b29680f3 ... can we close this ticket now or is there more to do? -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 1841491] Re: floating point emulation can fail to set FE_UNDERFLOW

2019-08-26 Thread Richard Henderson
The float test failure is part of a larger problem for target/powerpc in which all float routines are implemented incorrectly. They are all implemented as double operations with rounding to float as a second step. Which not only produces incorrect exceptions, as in this case, but incorrect

[Qemu-devel] [Bug 1841491] Re: floating point emulation can fail to set FE_UNDERFLOW

2019-08-26 Thread Paul Clarke
Responding to the patch https://lists.nongnu.org/archive/html/qemu- ppc/2019-08/msg00404.html, it seems to work for "double", but not for "float". Test case attached. ** Attachment added: "float testcase" https://bugs.launchpad.net/qemu/+bug/1841491/+attachment/5284810/+files/test-ffma.c --

[Qemu-devel] [Bug 1841491] Re: floating point emulation can fail to set FE_UNDERFLOW

2019-08-26 Thread Paul Clarke
** Attachment added: "2nd file of float testcase" https://bugs.launchpad.net/qemu/+bug/1841491/+attachment/5284821/+files/ffma.c -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1841491 Title:

[Qemu-devel] [Bug 1841491] Re: floating point emulation can fail to set FE_UNDERFLOW

2019-08-26 Thread Paul Clarke
** Attachment added: "2nd file of testcase" https://bugs.launchpad.net/qemu/+bug/1841491/+attachment/5284809/+files/fma.c -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1841491 Title: floating