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45 commits

Author SHA1 Message Date
Richard Henderson 2c091e5fb8
target-arm: Add condexec state to insn_start 
Backports commit 52e971d9ff67e340ac2a86bd67e14bd31c7991e0 from qemu
 2018-02-11 15:13:40 -05:00
Richard Henderson dd1ec408e5
target-*: Increment num_insns immediately after tcg_gen_insn_start 
This does tidy the icount test common to all targets.

Backports commit 959082fc4a93a016a6b697e1e0c2b373d8a3a373 from qemu
 2018-02-11 12:46:30 -05:00
Richard Henderson a64d0ff657
target-*: Unconditionally emit tcg_gen_insn_start 
While we're at it, emit the opcode adjacent to where we currently
record data for search_pc. This puts gen_io_start et al on the
"correct" side of the marker.

Backports commit 667b8e29c5b1d8c5b4e6ad5f780ca60914eb6e96 from qemu
 2018-02-11 12:41:20 -05:00
Lioncash b3f9ff667b
tcg: Rename debug_insn_start to insn_start 
With an eye toward making it mandatory.

Backports commit 765b842adec4c5a359e69ca08785553599f71496 from qemu
 2018-02-11 12:34:01 -05:00
Richard Henderson eb5ed2a844
target-arm: Use tcg_gen_extrh_i64_i32 
Usually, eliminate an operation from the translator by combining
a shift with an extract.

In the case of gen_set_NZ64, we don't need a boolean value for cpu_ZF,
merely a non-zero value. Given that we can extract both halves of a
64-bit input in one call, this simplifies the code.

Backports commit 7cb36e18b2f1c1f971ebdc2121de22a8c2e94fd6 from qemu
 2018-02-11 02:57:54 -05:00
Richard Henderson b94da3fc13
target-arm: Recognize ROR 
Backports commit 8fb0ad8e16ab3d03433244a1a03e1df757342ad8 from qemu
 2018-02-11 02:57:33 -05:00
Richard Henderson 3173269986
target-arm: Eliminate unnecessary zero-extend in disas_bitfield 
For !SF, this initial ext32u can't be optimized away by the
current TCG code generator. (It would require backward bit
liveness propagation.)

Backports commit d3a77b42decd0cbfa62a5526e67d1d6d380c83a9 from qemu
 2018-02-11 01:35:58 -05:00
Richard Henderson c637a97270
target-arm: Recognize UXTB, UXTH, LSR, LSL 
These are all special case aliases of UBFM.

Backports commit 9924e85829fe21b5f38a5d267c9aea44c5d478ac from qemu
 2018-02-11 01:34:11 -05:00
Richard Henderson d9e4e70636
target-arm: Recognize SXTB, SXTH, SXTW, ASR 
These are all special case aliases of SBFM.

Backports commit ef60151bee9a95e3a5cc98b345a19ed7eb435ddb from qemu
 2018-02-11 01:31:54 -05:00
Richard Henderson 5ee72ff9f5
target-arm: Implement fcsel with movcond 
Backports commit 6e061029d74455d83f6fa070ac33de7a356cf60d from qemu
 2018-02-11 01:29:14 -05:00
Richard Henderson 53bd2b1d5c
target-arm: Implement ccmp branchless 
This can allow much of a ccmp to be elided when particular
flags are subsequently dead.

Backports commit 7dd03d773e0dafae9271318fc8d6b2b14de74403 from qemu
 2018-02-11 01:25:51 -05:00
Richard Henderson 2c71ddefb1
target-arm: Use setcond and movcond for csel 
Backports commit 259cb68491ab36427e7e5d820fe543d53b006ec6 from qemu
 2018-02-10 23:57:11 -05:00
Richard Henderson a3aaf5a864
tcg: Remove tcg_gen_trunc_i64_i32 
Replacing it with tcg_gen_extrl_i64_i32.

Backports commit ecc7b3aa71f5fdcf9ee87e74ca811d988282641d from qemu
 2018-02-10 23:11:02 -05:00
Richard Henderson 232632e76c
tcg: Change translator-side labels to a pointer 
This is improved type checking for the translators -- it's no longer
possible to accidentally swap arguments to the branch functions.

Note that the code generating backends still manipulate labels as int.

With notable exceptions, the scope of the change is just a few lines
for each target, so it's not worth building extra machinery to do this
change in per-target increments.

Backports commit 42a268c241183877192c376d03bd9b6d527407c7 from qemu
 2018-02-09 14:17:56 -05:00
Lioncash 0273e6ae18
tcg: Put opcodes in a linked list 
The previous setup required ops and args to be completely sequential,
and was error prone when it came to both iteration and optimization.
 2018-02-09 12:54:05 -05:00
Richard Henderson a41b9acc0c
tcg: Introduce tcg_op_buf_count and tcg_op_buf_full 
The method by which we count the number of ops emitted
is going to change. Abstract that away into some inlines.

Backports commit fe700adb3db5b028b504423b946d4ee5200a8f2f from qemu.
 2018-02-09 09:31:17 -05:00
Richard Henderson 78378289e3
tcg: Move emit of INDEX_op_end into gen_tb_end 
Backports commit 0a7df5da986bd7ee0789f2d7b8611f2e8eee5046 from qemu
 2018-02-09 08:51:01 -05:00
Richard Henderson 6b4b493dae
tcg: Change tcg_global_mem_new_* to take a TCGv_ptr 
Thus, use cpu_env as the parameter, not TCG_AREG0 directly.
Update all uses in the translators.

Backports commit e1ccc05444676b92c63708096e36582be27fbee1 from qemu
 2018-02-08 12:33:33 -05:00
Richard Henderson afb67fc002
target/arm: Fix aa64 ldp register writeback 
Backports commit 3e4d91b94ce400326fae0850578d9e9f30a71adb from qemu
 2018-02-08 08:29:51 -05:00
Eric Blake 37cdcbf771
maint: Fix macros with broken 'do/while(0); ' usage 2018-02-07 20:27:37 -05:00
Lioncash 0f453b0595
target/arm: Add aa{32, 64}_vfp_{dreg, qreg} helpers 
Backports commit 9a2b5256ea1f68c89d5da4b54f180f576c2c82d6 from qemu
 2018-02-07 10:09:26 -05:00
Lioncash dd577f5ea5
target/arm: Change the type of vfp.regs 
Backports commit 3f68b8a5a6862f856524bb347bf348ae364dd43c from qemu
 2018-02-07 09:57:43 -05:00
Lioncash ef07c136b6
target/arm: Add fp16 support to vfp_expand_imm 
Backports commit 8081796a75414f9ed5ec3d97158e543ed45908ec from qemu.
 2018-02-07 09:47:04 -05:00
Lioncash b55f35ba92
target/arm: Split out vfp_expand_imm 
Backports commit e90a99fe6bde9b85bff8c052ade51520f20d9bce from qemu.
 2018-02-07 09:44:52 -05:00
Lioncash 4c165ed788
translate-a64: Silence unused variable warning 2018-02-06 08:38:01 -05:00
Merry 29d38d7c22
Merge pull request #10 from lioncash/el-busto-ldst-exclusive 
translate-a64: Backport fix for incorrect load/store exclusive unallocated checks
 2018-02-05 20:59:25 +00:00
Lioncash 1e451b386a
translate-a64: Backport fix for incorrect load/store exclusive unallocated checks 
Backports commit e14f0eb12f920fd96b9f79d15cedd437648e8667 from qemu
 2018-02-04 23:17:45 -05:00
Lioncash 4a8a92bad2
Backport optimizations to AArch64's REV16 handling 
Backports commits abb1066df313602ef0ca631126bd342d399d5359 and e4256c3cbf7eefebc0bc6e1f472c47c6dd20b996 from qemu.
 2018-02-04 14:45:39 -05:00
Lioncash d41b200fd4
A64: Add EOR3 and BCAX support 
Backported to unicorn from: https://lists.nongnu.org/archive/html/qemu-devel/2018-01/msg05003.html
 2018-01-25 21:18:36 -05:00
Ryan Hileman ae6ea3b91d fix arm64 hang (fix #827) (#828) 2017-05-09 20:19:32 +08:00
zhangwm 4a62409949 arm64eb: arm64 big endian also using little endian instructions. (#816) 
* arm64eb: arm64 big endian also using little endian instructions.

* arm64: using another example that depends on endians.

example:
1. store a word: 0x12345678
2. load a byte:
   * little endian : 0x78
   * big endian    : 0x12
 2017-05-04 20:00:48 +08:00
xorstream 8e45102b43 Arm support ported. (#736) 
* Fix for MIPS issue.

* Sparc support added.

* M68K support added.

* Arm support ported.

* Fix issue with VS2015 shlobj.h file
 2017-01-23 23:30:57 +08:00
xorstream fac6a66860 platform.h move #3 2017-01-21 00:13:21 +11:00
xorstream 1aeaf5c40d This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
Andrew Dutcher 97b10da133 Undo the disaster that was the patch to unicorn github issue #266 and fix it correctly. makes normal self-modifying code work. 2016-08-09 19:35:20 -07:00
Nguyen Anh Quynh 2341f5dd1a code style 2016-01-26 17:37:48 +08:00
Ryan Hileman 2ac1281f82 rework code/block tracing 2016-01-22 19:07:50 -08:00
Ryan Hileman 93052f6566 refactor to allow multiple hooks for one type 2016-01-22 18:41:43 -08:00
Nguyen Anh Quynh b72671c6d5 sparc, arm, m68k: check for exit request after every hooked instruction 2015-12-20 12:28:15 +08:00
Nguyen Anh Quynh 886946dcf4 do not use syscall to quit emulation. this can fix issues #147 & #148 2015-09-26 16:49:00 +08:00
Nguyen Anh Quynh d7d4be25b1 arm64: early check to see if the address of this block is the until address 2015-09-21 10:26:33 +08:00
Jonathon Reinhart 3bd705a060 Merge remote-tracking branch 'upstream/master' into change-handle-based-api 2015-08-30 00:23:51 -04:00
Nguyen Anh Quynh b335cf016c do not generate basic-block callback when translation is broken in the middle due to full cache (all the remaining archs) 2015-08-27 21:09:00 +08:00
Jonathon Reinhart 622d5cd5f9 change uch to uc_struct (target-arm) 2015-08-26 09:02:16 -04:00
Nguyen Anh Quynh 344d016104 import 2015-08-21 15:04:50 +08:00