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2019-04-24tcg/aarch64: Support INDEX_op_extract2_{i32,i64}Richard Henderson
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-04-24tcg: Add INDEX_op_extract2_{i32,i64}Richard Henderson
This will let backends implement the double-word shift operation. Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-01-28cputlb: Remove static tlb sizingRichard Henderson
Now that all tcg backends support TCG_TARGET_IMPLEMENTS_DYN_TLB, remove the define and the old code. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-01-28tcg/aarch64: enable dynamic TLB sizingRichard Henderson
Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-01-28tcg: introduce dynamic TLB sizingEmilio G. Cota
Disabled in all TCG backends for now. Tested-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Emilio G. Cota <cota@braap.org> Message-Id: <20190116170114.26802-3-cota@braap.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-01-28tcg/aarch64: Implement vector minmax arithmeticRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-01-28tcg/aarch64: Implement vector saturating arithmeticRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-01-28tcg: Add opcodes for vector minmax arithmeticRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-01-28tcg: Add opcodes for vector saturated arithmeticRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-12-17tcg: Add TCG_TARGET_HAS_MEMORY_BSWAPRichard Henderson
For now, defined universally as true, since we previously required backends to implement swapped memory operations. Future patches may now remove that support where it is onerous. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-02-08tcg/aarch64: Add vector operationsRichard Henderson
Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2017-09-07tcg/aarch64: Use constant pool for moviRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-09-07tcg: Rearrange ldst label trackingRichard Henderson
Dispense with TCGBackendData, as it has never been used for more than holding a single pointer. Use a define in the cpu/tcg-target.h to signal requirement for TCGLabelQemuLdst, so that we can drop the no-op tcg-be-null.h stubs. Rename tcg-be-ldst.h to tcg-ldst.inc.c. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-09-07tcg: Move USE_DIRECT_JUMP discriminator to tcg/cpu/tcg-target.hRichard Henderson
Replace the USE_DIRECT_JUMP ifdef with a TCG_TARGET_HAS_direct_jump boolean test. Replace the tb_set_jmp_target1 ifdef with an unconditional function tb_target_set_jmp_target. While we're touching all backends, add a parameter for tb->tc_ptr; we're going to need it shortly for some backends. Move tb_set_jmp_target and tb_add_jump from exec-all.h to cpu-exec.c. This opens the possibility for TCG_TARGET_HAS_direct_jump to be a runtime decision -- based on host cpu capabilities, the size of code_gen_buffer, or a future debugging switch. Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-09-05tcg: Add tcg target default memory orderingPranith Kumar
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> Message-Id: <20170829063313.10237-3-bobby.prani@gmail.com> [rth: Dropped ia64 hunk] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2017-06-05tcg/aarch64: Implement goto_ptrRichard Henderson
Measurements: SPECint06 (test set), x86_64-linux-user. Host: APM 64-bit ARMv8 (Atlas/A57) @ 2.4 GHz 1.45x +-+-------------------------------------------------------------------------------------------------------------+-+ | ***** | | +++ * * +goto-ptr | 1.4x +-+...*****............................*...*....................................................................+-+ | *+++* * * +++ | 1.35x +-+...*...*............................*...*...........................*****....................................+-+ | * * * * *+++* | | * * * * * * | 1.3x +-+...*...*............................*...*...........................*...*....................................+-+ | * * * * * * | | * * * * * * ***** | 1.25x +-+...*...*...........*****............*...*...........................*...*............*****...*...*...........+-+ | * * * * * * * * *+++* * * | 1.2x +-+...*...*...........*...*............*...*...........................*...*............*...*...*...*...........+-+ | * * * * * * * * * * * * | | * * * * * * * * * * * * ***** | 1.15x +-+...*...*...........*...*............*...*...........................*...*............*...*...*...*...*...*...+-+ | * * * * * * * * +++ * * * * * * | | * * * * * * * * ***** * * * * * * | 1.1x +-+...*...*...........*...*....*****...*...*...*****...................*...*...*...*....*...*...*...*...*...*...+-+ | * * * * * * * * * * * * * * * * * * * * | 1.05x +-+...*...*...........*...*....*...*...*...*...*...*...................*...*...*...*....*...*...*...*...*...*...+-+ | * * ***** * * * * * * * * * * * * * * * * * * | | * * * * * * * * * * * * ***** ***** * * * * * * * * * * | 1x +-+---*****---*****---*****----*****---*****---*****---*****---*****---*****---*****----*****---*****---*****---+-+ astar bzip2 gcc gobmk h264ref hmmlibquantum mcf omnetpperlbench sjenxalancbmk hmean png: http://imgur.com/en9HE8L Tested-by: Emilio G. Cota <cota@braap.org> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-06-05tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptrEmilio G. Cota
Instead of exporting goto_ptr directly to TCG frontends, export tcg_gen_lookup_and_goto_ptr(), which calls goto_ptr with the pointer returned by the lookup_tb_ptr() helper. This is the only use case we have for goto_ptr and lookup_tb_ptr, so having this function is very convenient. Furthermore, it trivially allows us to avoid calling the lookup helper if goto_ptr is not implemented by the backend. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Emilio G. Cota <cota@braap.org> Message-Id: <1493263764-18657-2-git-send-email-cota@braap.org> Message-Id: <1493263764-18657-3-git-send-email-cota@braap.org> Message-Id: <1493263764-18657-4-git-send-email-cota@braap.org> Message-Id: <1493263764-18657-5-git-send-email-cota@braap.org> [rth: Squashed 4 related commits.] Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-01-10tcg: Add opcode for ctpopRichard Henderson
The number of actual invocations of ctpop itself does not warrent an opcode, but it is very helpful for POWER7 to use in generating an expansion for ctz. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-01-10tcg/aarch64: Handle ctz and clz opcodesRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-01-10tcg: Add clz and ctz opcodesRichard Henderson
Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-01-10tcg/aarch64: Implement field extraction opcodesRichard Henderson
Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-01-10tcg: Add field extraction primitivesRichard Henderson
Adds tcg_gen_extract_* and tcg_gen_sextract_* for extraction of fixed position bitfields, much like we already have for deposit. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-07-12tcg: Clean up tcg-target.h header guardsMarkus Armbruster
These use guard symbols like TCG_TARGET_$target. scripts/clean-header-guards.pl doesn't like them because they don't match their file name (they should, to make guard collisions less likely). Clean them up: use guard symbol $target_TCG_TARGET_H for tcg/$target/tcg-target.h. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2015-08-24tcg: Split trunc_shr_i32 opcode into extr[lh]_i64_i32Richard Henderson
Rather than allow arbitrary shift+trunc, only concern ourselves with low and high parts. This is all that was being used anyway. Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-08-24tcg: rename trunc_shr_i32 into trunc_shr_i64_i32Aurelien Jarno
The op is sometimes named trunc_shr_i32 and sometimes trunc_shr_i64_i32, and the name in the README doesn't match the name offered to the frontends. Always use the long name to make it clear it is a size changing op. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-06-03tcg: add TCG_TARGET_TLB_DISPLACEMENT_BITSPaolo Bonzini
This will be used to size the TLB when more than 8 MMU modes are used by the target. Limitations come from the limited size of the immediate fields (which sometimes, as in the case of Aarch64, extend to instructions that shift the immediate). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1424436345-37924-2-git-send-email-pbonzini@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-04tcg: Remove TCG_TARGET_HAS_new_ldstRichard Henderson
Since all backends have been converted, remove the compatibility code. Acked-by: Claudio Fontana <claudio.fontana@huawei.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-05-12tcg-aarch64: Define TCG_TARGET_INSN_UNIT_SIZERichard Henderson
And use tcg pointer differencing functions as appropriate. Acked-by: Claudio Fontana <claudio.fontana@huawei.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg: Add INDEX_op_trunc_shr_i32Richard Henderson
Let the backend do something special for truncation. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-18tcg: Use HOST_WORDS_BIGENDIANRichard Henderson
Instead of rolling a local TCG_TARGET_WORDS_BIGENDIAN. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-16tcg-aarch64: Implement TCG_TARGET_HAS_new_ldstRichard Henderson
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-16tcg-aarch64: Reuse LR in translated codeRichard Henderson
It's obviously call-clobbered, but is otherwise unused. Repurpose it as the TCG temporary. Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-14tcg-aarch64: Support div, remRichard Henderson
Clean up multiply at the same time. For remainder, generic code will produce mul+sub, whereas we can implement with msub. Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com> Tested-by: Claudio Fontana <claudio.fontana@huawei.com>
2014-03-14tcg-aarch64: Support muluh, mulshRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com> Tested-by: Claudio Fontana <claudio.fontana@huawei.com>
2014-03-14tcg-aarch64: Support add2, sub2Richard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com> Tested-by: Claudio Fontana <claudio.fontana@huawei.com>
2014-03-14tcg-aarch64: Support depositRichard Henderson
Also tidy the implementation of ubfm, sbfm, extr in order to share code. Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com> Tested-by: Claudio Fontana <claudio.fontana@huawei.com>
2014-03-14tcg-aarch64: Support movcondRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com> Tested-by: Claudio Fontana <claudio.fontana@huawei.com>
2014-03-14tcg-aarch64: Support andc, orc, eqv, not, negRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com> Tested-by: Claudio Fontana <claudio.fontana@huawei.com>
2013-10-10tcg: Add qemu_ld_st_i32/64Richard Henderson
Step two in the transition, adding the new ldst opcodes. Keep the old opcodes around until all backends support the new opcodes. Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-02tcg: Change flush_icache_range arguments to uintptr_tRichard Henderson
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-02tcg: Add muluh and mulsh opcodesRichard Henderson
Use them in places where mulu2 and muls2 are used. Optimize mulx2 with dead low part to mulxh. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-09tcg: Split rem requirement from div requirementRichard Henderson
There are several hosts with only a "div" insn. Remainder is computed manually from the quotient and inputs. We can do this generically. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-06-12tcg/aarch64: implement sign/zero extend operationsClaudio Fontana
implement the optional sign/zero extend operations with the dedicated aarch64 instructions. Signed-off-by: Claudio Fontana <claudio.fontana@huawei.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Message-id: 51AC9A58.40502@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-06-12tcg/aarch64: implement byte swap operationsClaudio Fontana
implement the optional byte swap operations with the dedicated aarch64 instructions. Signed-off-by: Claudio Fontana <claudio.fontana@huawei.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Message-id: 51AC9A33.9050003@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-06-12tcg/aarch64: implement new TCG target for aarch64Claudio Fontana
add preliminary support for TCG target aarch64. Signed-off-by: Claudio Fontana <claudio.fontana@huawei.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 51A5C596.3090108@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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