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unicorn/qemu/target/arm
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Richard Henderson 67740bbc7f
target/arm: Fix float16 to/from int16 
The instruction "ucvtf v0.4h, v04h, #2", with input 0x8000u,
overflows the intermediate float16 to infinity before we have a
chance to scale the output. Use float64 as the intermediate type
so that no input argument (uint32_t in this case) can overflow
or round before scaling. Given the declared argument, the signed
int32_t function has the same problem.

When converting from float16 to integer, using u/int32_t instead
of u/int16_t means that the bounding is incorrect.

Backports commit 88808a022c06f98d81cd3f2d105a5734c5614839 from qemu
2018-05-14 08:41:20 -04:00
..
arm-powerctl.c ARM: Factor out ARM on/off PSCI control functions 2018-03-01 23:31:47 -05:00
arm-powerctl.h ARM: Factor out ARM on/off PSCI control functions 2018-03-01 23:31:47 -05:00
arm_ldst.h Fix Thumb-1 BE32 execution and disassembly. 2018-03-02 00:20:11 -05:00
cpu-qom.h target/arm: Add "-cpu max" support 2018-03-12 10:11:49 -04:00
cpu.c target/arm: Add pre-EL change hooks 2018-04-26 09:21:54 -04:00
cpu.h target/arm: Introduce ARM_FEATURE_V8_ATOMICS and initial decode 2018-05-14 08:15:52 -04:00
cpu64.c target/arm: Enable ARM_FEATURE_V8_ATOMICS for user-only 2018-05-14 08:29:59 -04:00
crypto_helper.c target/arm/cpu and crypto_helper: Correct bad merge and adjust to qemu code style 2018-03-12 11:57:24 -04:00
helper-a64.c target/arm: Implement CAS and CASP 2018-05-14 08:28:45 -04:00
helper-a64.h target/arm: Implement CAS and CASP 2018-05-14 08:28:45 -04:00
helper.c target/arm: Fix float16 to/from int16 2018-05-14 08:41:20 -04:00
helper.h target/arm: Fix float16 to/from int16 2018-05-14 08:41:20 -04:00
internals.h target/arm: Add pre-EL change hooks 2018-04-26 09:21:54 -04:00
iwmmxt_helper.c Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
kvm-consts.h arm: better stub version for MISMATCH_CHECK 2018-03-02 00:13:45 -05:00
Makefile.objs target/arm: Decode aa64 armv8.1 scalar three same extra 2018-03-09 00:02:23 -05:00
neon_helper.c target/*/cpu.h: remove softfloat.h 2018-03-08 09:58:47 -05:00
op_addsub.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
op_helper.c target/arm: Add pre-EL change hooks 2018-04-26 09:21:54 -04:00
psci.c fix WFI/WFE length in syndrome register 2018-03-05 11:21:51 -05:00
translate-a64.c target/arm: Fix float16 to/from int16 2018-05-14 08:41:20 -04:00
translate.c translator: merge max_insns into DisasContextBase 2018-05-11 13:59:17 -04:00
translate.h target/arm: avoid integer overflow in next_page PC check 2018-05-11 13:49:57 -04:00
unicorn.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
unicorn_aarch64.c unicorn/aarch64: Use qemu-provided helpers for accessing VFP/NEON/SIMD registers 2018-03-07 11:25:41 -05:00
unicorn_arm.c Use DEFINE_MACHINE() to register all machines 2018-03-11 15:12:46 -04:00
vec_helper.c translate/arm/vec_helper: Align to qemu formatting 2018-03-12 11:59:14 -04:00