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unicorn/qemu/target/i386
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Joseph Myers c796ee5e13 target/i386: fix fxam handling of invalid encodings 
The fxam implementation does not check for invalid encodings, instead
treating them like NaN or normal numbers depending on the exponent.
Fix it to check that the high bit of the significand is set before
treating an encoding as NaN or normal, thus resulting in correct
handling (all of C0, C2 and C3 cleared) for invalid encodings.

Backports commit 34b9cc076ff423023a779a04a9f7cd7c17372cbf from qemu
2020-06-15 13:07:54 -04:00
..
arch_memory_mapping.c target/i386: enable A20 automatically in system management mode 2018-03-03 14:33:09 -05:00
bpt_helper.c target/i386: Use env_cpu, env_archcpu 2019-06-12 11:46:35 -04:00
cc_helper.c Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
cc_helper_template.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
cpu-param.h tcg: Split out target/arch/cpu-param.h 2019-06-10 19:35:46 -04:00
cpu-qom.h i386: Register versioned CPU models 2019-08-08 19:01:35 -04:00
cpu.c various: Remove suspicious '\' character outside of #define in C code 2020-04-30 07:31:45 -04:00
cpu.h i386/cpu: Store LAPIC bus frequency in CPU structure 2020-06-15 13:00:58 -04:00
excp_helper.c target/i386: Use env_cpu, env_archcpu 2019-06-12 11:46:35 -04:00
fpu_helper.c target/i386: fix fxam handling of invalid encodings 2020-06-15 13:07:54 -04:00
helper.c target/i386: Use env_cpu, env_archcpu 2019-06-12 11:46:35 -04:00
helper.h target/i386: Implement CPUID_EXT_RDRAND 2019-05-23 15:12:50 -04:00
int_helper.c target/i386: Implement CPUID_EXT_RDRAND 2019-05-23 15:12:50 -04:00
Makefile.objs target/i386: add the CONFIG_TCG into Makefiles 2018-03-03 21:57:22 -05:00
mem_helper.c cpu: Replace ENV_GET_CPU with env_cpu 2019-06-12 11:16:16 -04:00
misc_helper.c target/i386: Fix OUTL debug output 2020-06-15 12:56:33 -04:00
mpx_helper.c target/i386: move cpu_sync_bndcs_hflags() function 2018-03-03 21:41:26 -05:00
ops_sse.h target/i386: fix phadd* with identical destination and source register 2020-06-15 12:59:49 -04:00
ops_sse_header.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
seg_helper.c check arguments, return error instead of raising exceptions. (#1125) 2020-01-14 09:00:11 -05:00
shift_helper_template.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
smm_helper.c target/i386: Use env_cpu, env_archcpu 2019-06-12 11:46:35 -04:00
svm.h target-i386: Add NPT support 2018-07-03 19:52:56 -04:00
svm_helper.c target/i386: Use env_cpu, env_archcpu 2019-06-12 11:46:35 -04:00
TODO Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
topology.h i386: Update new x86_apicid parsing rules with die_offset support 2019-08-08 18:22:03 -04:00
translate.c tcg: TCGMemOp is now accelerator independent MemOp 2019-11-28 03:01:12 -05:00
unicorn.c check arguments, return error instead of raising exceptions. (#1125) 2020-01-14 09:00:11 -05:00
unicorn.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00