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Joseph Myers ff57bb7b63 target/i386: reimplement fpatan using floatx80 operations 
The x87 fpatan emulation is currently based around conversion to
double.  This is inherently unsuitable for a good emulation of any
floatx80 operation.  Reimplement using the soft-float operations, as
for other such instructions.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>

Message-Id: <alpine.DEB.2.21.2006230000340.24721@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-26 09:39:39 -04:00
..
alpha accel/tcg: Relax va restrictions on 64-bit guests 2020-05-15 15:25:16 +01:00
arm target/arm: Check supported KVM features globally (not per vCPU) 2020-06-23 11:39:47 +01:00
cris x86 and machine queue for 5.0 soft freeze 2020-03-19 14:22:46 +00:00
hppa softfloat: Name compare relation enum 2020-05-19 08:41:45 -07:00
i386 target/i386: reimplement fpatan using floatx80 operations 2020-06-26 09:39:39 -04:00
lm32 x86 and machine queue for 5.0 soft freeze 2020-03-19 14:22:46 +00:00
m68k softfloat: merge floatx80_mod and floatx80_rem 2020-06-26 09:39:37 -04:00
microblaze target/microblaze: monitor: Increase the number of registers reported 2020-05-14 16:01:02 +02:00
mips target/mips: msa: Split helpers for MULV.<B|H|W|D> 2020-06-15 20:51:04 +02:00
moxie cpu: Use DeviceClass reset instead of a special CPUClass reset 2020-03-17 19:48:10 -04:00
nios2 x86 and machine queue for 5.0 soft freeze 2020-03-19 14:22:46 +00:00
openrisc softfloat: Name compare relation enum 2020-05-19 08:41:45 -07:00
ppc target/ppc: Restrict PPCVirtualHypervisorClass to system-mode 2020-06-12 11:12:45 -04:00
riscv hw/riscv: sifive: Change SiFive E/U CPU reset vector to 0x1004 2020-06-19 08:25:27 -07:00
rx target/rx/translate: Add missing fall through comment 2020-04-07 18:45:54 -07:00
s390x vfio-ccw: Add support for the schib region 2020-06-18 12:13:54 +02:00
sh4 gdbstub: Introduce gdb_get_float32() to get 32-bit float registers 2020-04-15 11:38:23 +01:00
sparc target/sparc/int32_helper: Extract and use excp_name_str() 2020-06-09 09:21:10 +02:00
tilegx cpu: Use DeviceClass reset instead of a special CPUClass reset 2020-03-17 19:48:10 -04:00
tricore target/tricore: Implement gdbstub 2020-06-01 16:55:13 +02:00
unicore32 target/unicore32: Prefer qemu_semihosting_log_out() over curses 2020-06-09 19:58:53 +02:00
xtensa target/xtensa fixes for 5.1: 2020-06-25 21:20:45 +01:00