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Peter Maydell 61377ce01c target/arm: Implement FPST_STD_F16 fpstatus 
Architecturally, Neon FP16 operations use the "standard FPSCR" like
all other Neon operations. However, this is defined in the Arm ARM
pseudocode as "a fixed value, except that FZ16 (and AHP) follow the
FPSCR bits". In QEMU, the softfloat float_status doesn't include
separate flush-to-zero for FP16 operations, so we must keep separate
fp_status for "Neon non-FP16" and "Neon fp16" operations, in the
same way we do already for the non-Neon "fp_status" vs "fp_status_f16".

Add the extra float_status field to the CPU state structure,
ensure it is correctly initialized and updated on FPSCR writes,
and make fpstatus_ptr(FPST_STD_F16) return a pointer to it.

Backports commit aaae563bc73de0598bbc09a102e68f27fafe704a
2021-02-26 12:00:25 -05:00
..
accel target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
crypto
default-configs target/riscv: Initial introduction of the RISC-V target 2019-03-08 21:46:10 -05:00
docs docs/devel/memory.txt: Document _with_attrs accessors 2018-10-04 04:46:26 -04:00
fpu softfloat: return low bits of quotient from floatx80_modrem 2021-02-25 13:39:10 -05:00
hw Expose different 32-bit ARM CPU models to users via UC_MODE flags (#1165) 2020-01-14 09:37:21 -05:00
include target/i386: floatx80: avoid compound literals in static initializers 2021-02-25 23:38:54 -05:00
qapi qapi: Rewrite string-input-visitor's integer and list parsing 2018-12-18 04:57:25 -05:00
qobject qstring: Move qstring_from_substr()'s @end one to the right 2018-08-02 21:24:19 -04:00
qom cpu: Move icount_decr to CPUNegativeOffsetState 2019-06-13 15:34:28 -04:00
scripts decodetree: Multi-cleanup 2020-06-15 12:49:02 -04:00
target target/arm: Implement FPST_STD_F16 fpstatus 2021-02-26 12:00:25 -05:00
tcg target/arm/translate.c: Delete/amend incorrect comments 2021-02-26 11:23:52 -05:00
util util/cutils: Turn FIXME comment into QEMU_BUILD_BUG_ON() 2020-01-14 08:04:30 -05:00
aarch64.h target/arm: Fix temp double-free in sve ldr/str 2021-02-25 23:10:37 -05:00
aarch64eb.h target/arm: Fix temp double-free in sve ldr/str 2021-02-25 23:10:37 -05:00
accel.c clean-up: removed duplicate #includes 2018-02-28 08:51:56 -05:00
arm.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
armeb.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
CODING_STYLE.rst docs: split the CODING_STYLE doc into distinct groups 2019-11-28 02:54:44 -05:00
configure configure: Support -static-pie if requested 2020-04-30 07:09:34 -04:00
COPYING
COPYING.LIB
cpus.c Include qapi/error.h exactly where needed 2018-03-07 12:26:38 -05:00
exec.c Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
gen_all_header.sh
glib_compat.c target/arm: Add VHE system register redirection and aliasing 2020-03-21 15:57:03 -04:00
header_gen.py target/riscv: vector single-width integer multiply instructions 2021-02-26 10:46:26 -05:00
ioport.c hw: remove pio_addr_t 2018-02-24 02:43:16 -05:00
LICENSE
m68k.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
Makefile Makefile: Rename targets for make recursion 2019-08-08 17:26:49 -04:00
Makefile.objs qapi: Move qapi-schema.json to qapi/, rename generated files 2018-03-09 11:35:11 -05:00
Makefile.target configure: Remove old -fno-gcse workaround for GCC 4.6.x and 4.7.[012] 2018-12-18 03:52:36 -05:00
memory.c Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
memory_ldst.inc.c memory: Single byte swap along the I/O path 2020-01-07 19:12:04 -05:00
memory_mapping.c include/qemu/osdep.h: Don't include qapi/error.h 2018-02-21 23:08:18 -05:00
mips.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
mips64.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
mips64el.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
mipsel.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
powerpc.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
qemu-timer.c timer/cpus: fix some typos and update some comments 2018-02-25 23:21:57 -05:00
riscv32.h target/riscv: vector single-width integer multiply instructions 2021-02-26 10:46:26 -05:00
riscv64.h target/riscv: vector single-width integer multiply instructions 2021-02-26 10:46:26 -05:00
rules.mak build-sys: silence make by default or V=0 2018-03-06 08:58:03 -05:00
sparc.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
sparc64.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
unicorn_common.h unicorn_common: Fix unicorn memory functions failing 2018-09-03 10:40:14 -04:00
VERSION Open 5.2 development tree 2021-02-25 23:52:17 -05:00
vl.c Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
vl.h
x86_64.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00