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eaf3805f36
unicorn/qemu
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Peter Maydell eaf3805f36
softfloat: Revert and reimplement remaining parts of b645bb4885 and 5a6932d51d 
Revert the parts of commits b645bb4885 and 5a6932d51d which are still
in the codebase and under a SoftFloat-2b license.

Reimplement support for architectures where the most significant bit
in the mantissa is 1 for a signaling NaN rather than a quiet NaN,
by adding handling for SNAN_BIT_IS_ONE being set to the functions
which test values for NaN-ness.

This includes restoring the bugfixes lost in the reversion where
some of the float*_is_quiet_nan() functions were returning true
for both signaling and quiet NaNs.

[This is a mechanical squashing together of two separate "revert"
and "reimplement" patches.]

Backports commit 332d5849708d11b835e0b36f4e26e8b36bfb3f5a from qemu
2018-02-12 12:57:15 -05:00
..
default-configs arm64eb: add support for ARM64 big endian. 2017-04-24 23:30:01 +08:00
docs cleanup qemu docs 2017-01-18 15:23:40 +08:00
fpu softfloat: Revert and reimplement remaining parts of b645bb4885 and 5a6932d51d 2018-02-12 12:57:15 -05:00
hw Arm support ported. (#736) 2017-01-23 23:30:57 +08:00
include softfloat: Revert and reimplement remaining portions of 75d62a5856 and 3430b0be36f 2018-02-12 12:52:32 -05:00
qapi This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
qobject This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
qom cleanup after msvc port 2017-01-22 21:27:17 +08:00
scripts Save copies of generated qapi files. 2017-01-21 00:30:50 +11:00
target-arm target-arm: fix for exponent comparison in recpe_f64 2018-02-12 12:04:39 -05:00
target-i386 target-i386: make xmm_regs 512-bit wide 2018-02-12 12:38:43 -05:00
target-m68k target-*: Increment num_insns immediately after tcg_gen_insn_start 2018-02-11 12:46:30 -05:00
target-mips target-mips: pass 0 instead of -1 as rs in microMIPS LUI instruction 2018-02-11 17:18:08 -05:00
target-sparc target-*: Increment num_insns immediately after tcg_gen_insn_start 2018-02-11 12:46:30 -05:00
tcg tcg: Allow extra data to be attached to insn_start 2018-02-11 13:03:51 -05:00
util Arm support ported. (#736) 2017-01-23 23:30:57 +08:00
aarch64.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
aarch64eb.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
accel.c Automated leading tab to spaces conversion. 2017-01-21 12:28:22 +11:00
arm.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
armeb.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
CODING_STYLE import 2015-08-21 15:04:50 +08:00
configure tcg: Drop ia64 host support 2018-02-04 18:33:02 -05:00
COPYING import 2015-08-21 15:04:50 +08:00
COPYING.LIB import 2015-08-21 15:04:50 +08:00
cpu-exec.c Only set eip to the instruction pointer after an interrupt if the interrupt was user-generated (#875) 2017-08-29 17:14:36 +07:00
cpus.c cleanup more synchronization code 2017-01-09 14:05:39 +08:00
cputlb.c This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
exec.c fix the last fix that crashes samples 2017-02-24 20:34:52 +08:00
gen_all_header.sh arm64eb: add support for ARM64 big endian. 2017-04-24 23:30:01 +08:00
glib_compat.c Merge branch 'master' into msvc2 2017-04-21 01:17:00 +08:00
HACKING import 2015-08-21 15:04:50 +08:00
header_gen.py target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
ioport.c This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
LICENSE import 2015-08-21 15:04:50 +08:00
m68k.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
Makefile cleanup qemu/default-configs/ 2017-01-19 14:52:30 +08:00
Makefile.objs cleanup qemu/Makefile.objs 2017-01-21 21:50:12 +08:00
Makefile.target tcg: Move some opcode generation functions out of line 2018-02-09 08:10:00 -05:00
memory_mapping.c revert to use of g_free to make future qemu integrations easier (#695) 2016-12-21 22:28:36 +08:00
memory.c merge msvc with master 2017-02-24 10:39:36 +08:00
mips64.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
mips64el.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
mips.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
mipsel.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
powerpc.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
qapi-schema.json import 2015-08-21 15:04:50 +08:00
qemu-log.c import 2015-08-21 15:04:50 +08:00
qemu-timer.c timer is redundant 2017-01-20 16:46:58 +08:00
rules.mak import 2015-08-21 15:04:50 +08:00
softmmu_template.h tcg: Add MO_ALIGN, MO_UNALN 2018-02-10 20:18:53 -05:00
sparc64.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
sparc.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00
tcg-runtime.c platform.h move #3 2017-01-21 00:13:21 +11:00
translate-all.c target-mips: Correct MIPS16/microMIPS branch size calculation 2018-02-11 16:09:33 -05:00
translate-all.h import 2015-08-21 15:04:50 +08:00
unicorn_common.h This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
VERSION import 2015-08-21 15:04:50 +08:00
vl.c This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
vl.h import 2015-08-21 15:04:50 +08:00
x86_64.h target-arm: make PAR banked 2018-02-12 10:40:51 -05:00