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Laszlo Ersek 40c04c73b0 target/i386: floatx80: avoid compound literals in static initializers 
Quoting ISO C99 6.7.8p4, "All the expressions in an initializer for an
object that has static storage duration shall be constant expressions or
string literals".

The compound literal produced by the make_floatx80() macro is not such a
constant expression, per 6.6p7-9. (An implementation may accept it,
according to 6.6p10, but is not required to.)

Therefore using "floatx80_zero" and make_floatx80() for initializing
"f2xm1_table" and "fpatan_table" is not portable. And gcc-4.8 in RHEL-7.6
actually chokes on them:

> target/i386/fpu_helper.c:871:5: error: initializer element is not constant
> { make_floatx80(0xbfff, 0x8000000000000000ULL),
> ^

We've had the make_floatx80_init() macro for this purpose since commit
3bf7e40ab914 ("softfloat: fix for C99", 2012-03-17), so let's use that
macro again.

Fixes: eca30647fc0 ("target/i386: reimplement f2xm1 using floatx80 operations")
Fixes: ff57bb7b632 ("target/i386: reimplement fpatan using floatx80 operations")

Backports commit 163b3d1af2552845a60967979aca8d78a6b1b088 from qemu
2021-02-25 23:38:54 -05:00
..
accel target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
crypto crypto: Clean up includes 2018-02-19 00:47:40 -05:00
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/i386: floatx80: avoid compound literals in static initializers 2021-02-25 23:38:54 -05:00
tcg tcg: Save/restore vecop_list around minmax fallback 2021-02-25 23:33:24 -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/arm: Fix temp double-free in sve ldr/str 2021-02-25 23:10:37 -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/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -05:00
riscv64.h target/arm: Add sve infrastructure for page lookup 2021-02-25 20:28:23 -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 Update version for v5.1.0-rc1 release 2021-02-25 23:34:20 -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