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2024-02-14tcg: Increase width of temp_subindexRichard Henderson
We need values 0-3 for TCG_TYPE_I128 on 32-bit hosts. Cc: qemu-stable@nongnu.org Fixes: 43eef72f4109 ("tcg: Add temp allocation for TCGv_i128") Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2159 Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Tested-by: Michael Tokarev <mjt@tls.msk.ru> (cherry picked from commit c0e688153f299d5d493989c80bcc84c9cf36d6a6) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2023-11-06tcg: Remove TCG_TARGET_HAS_neg_{i32,i64}Richard Henderson
The movcond opcode is now mandatory for backends to implement. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231026041404.1229328-7-richard.henderson@linaro.org>
2023-11-06tcg: Remove TCG_TARGET_HAS_movcond_{i32,i64}Richard Henderson
The movcond opcode is now mandatory for backends to implement. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231026041404.1229328-4-richard.henderson@linaro.org>
2023-11-06tcg: Move tcg_temp_free_* out of lineRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231029210848.78234-12-richard.henderson@linaro.org>
2023-11-06tcg: Move tcg_temp_new_*, tcg_global_mem_new_* out of lineRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231029210848.78234-11-richard.henderson@linaro.org>
2023-11-06tcg: Move tcg_constant_* out of lineRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231029210848.78234-10-richard.henderson@linaro.org>
2023-11-06tcg: Unexport tcg_gen_op*_{i32,i64}Richard Henderson
These functions are no longer used outside tcg-op.c. There are several that are completely unused, so remove them. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231029210848.78234-9-richard.henderson@linaro.org>
2023-11-06tcg: Move tcg_gen_opN declarations to tcg-internal.hRichard Henderson
These are used within tcg-op.c and tcg-op-ldst.c. There are no uses outside tcg/. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231029210848.78234-8-richard.henderson@linaro.org>
2023-11-06tcg: Move vec_gen_* declarations to tcg-internal.hRichard Henderson
These are used within tcg-op-vec.c and tcg/host/tcg-target.c.inc. There are no uses outside tcg/. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231029210848.78234-7-richard.henderson@linaro.org>
2023-11-06tcg: Move 64-bit expanders out of lineRichard Henderson
This one is more complicated, combining 32-bit and 64-bit expansion with C if instead of preprocessor #if. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231029210848.78234-6-richard.henderson@linaro.org>
2023-11-06tcg: Move 32-bit expanders out of lineRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231029210848.78234-5-richard.henderson@linaro.org>
2023-11-06tcg: Move generic expanders out of lineRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231029210848.78234-4-richard.henderson@linaro.org>
2023-11-06tcg: Move tcg_gen_op* out of lineRichard Henderson
In addition to moving out of line, with CONFIG_DEBUG_TCG mark them all noinline. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231029210848.78234-3-richard.henderson@linaro.org>
2023-11-06accel/tcg: Move HMP info jit and info opcount codeRichard Henderson
Move all of it into accel/tcg/monitor.c. This puts everything about tcg that is only used by the monitor in the same place. Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22tcg: Export tcg_gen_ext_{i32,i64,tl}Richard Henderson
The two concrete type functions already existed, merely needing a bit of hardening to invalid inputs. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22tcg: add negsetcondiPaolo Bonzini
This can be useful to write a shift bit extraction that does not depend on TARGET_LONG_BITS. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20231019104648.389942-15-pbonzini@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22tcg: Add tcg_gen_{ld,st}_i128Richard Henderson
Do not require the translators to jump through concat and extract of i64 in order to move values to and from env. Tested-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22tcg: drop unused tcg_temp_free defineMike Frysinger
Use of the API was removed a while back, but the define wasn't. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20231015010046.16020-1-vapier@gentoo.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-22tcg: Introduce tcg_use_softmmuRichard Henderson
Begin disconnecting CONFIG_SOFTMMU from !CONFIG_USER_ONLY. Introduce a variable which can be set at startup to select one method or another for user-only. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-07tcg: Correct invalid mentions of 'softmmu' by 'system-mode'Philippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20231004090629.37473-6-philmd@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-10-04tcg: Split out tcg init functions to tcg/startup.hRichard Henderson
The tcg/tcg.h header is a big bucket, containing stuff related to the translators and the JIT backend. The places that initialize tcg or create new threads do not need all of that, so split out these three functions to a new header. Suggested-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-04tcg: Remove argument to tcg_prologue_initRichard Henderson
We can load tcg_ctx just as easily within the callee. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-04tcg: Remove TCGContext.tlb_fast_offsetRichard Henderson
Now that there is no padding between CPUNegativeOffsetState and CPUArchState, this value is constant across all targets. Reviewed-by: Anton Johansson <anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-03tcg: Rename cpu_env to tcg_envRichard Henderson
Allow the name 'cpu_env' to be used for something else. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-09-16tcg: Add gvec compare with immediate and scalar operandRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Tested-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn> Message-Id: <20230831030904.1194667-2-richard.henderson@linaro.org>
2023-08-31accel/tcg: spelling fixesMichael Tokarev
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Message-ID: <20230823065335.1919380-18-mjt@tls.msk.ru> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-ID: <20230823065335.1919380-19-mjt@tls.msk.ru> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-08-24tcg: Introduce negsetcond opcodesRichard Henderson
Introduce a new opcode for negative setcond. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-24tcg: Unify TCG_TARGET_HAS_extr[lh]_i64_i32Richard Henderson
Replace the separate defines with TCG_TARGET_HAS_extr_i64_i32, so that the two parts of backend-specific type changing cannot be out of sync. Reported-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: <20230822175127.1173698-1-richard.henderson@linaro.org>
2023-07-01tcg: Reduce tcg_assert_listed_vecop() scopePhilippe Mathieu-Daudé
tcg_assert_listed_vecop() is only used in tcg-op-vec.c. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230629091107.74384-1-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-26accel/tcg: remove CONFIG_PROFILERFei Wu
TBStats will be introduced to replace CONFIG_PROFILER totally, here remove all CONFIG_PROFILER related stuffs first. Signed-off-by: Vanderson M. do Rosario <vandersonmr2@gmail.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Fei Wu <fei2.wu@intel.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230607122411.3394702-2-fei2.wu@intel.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Remove target-specific headers from tcg.[ch]Richard Henderson
This finally paves the way for tcg/ to be built once per mode. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Split tcg/tcg-op-gvec.hRichard Henderson
Create tcg/tcg-op-gvec-common.h, moving everything that does not concern TARGET_LONG_BITS. Adjust tcg-op-gvec.c to use the new header. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Move TLB_FLAGS_MASK check out of get_alignment_bitsRichard Henderson
The replacement isn't ideal, as the raw count of bits is not easily synced with exec/cpu-all.h, but it does remove from tcg.h the target dependency on TARGET_PAGE_BITS_MIN which is built into TLB_FLAGS_MASK. Reviewed-by: Anton Johansson <anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Add guest_mo to TCGContextRichard Henderson
This replaces of TCG_GUEST_DEFAULT_MO in tcg-op-ldst.c. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Add insn_start_words to TCGContextRichard Henderson
This will enable replacement of TARGET_INSN_START_WORDS in tcg.c. Split out "tcg/insn-start-words.h" and use it in target/. Reviewed-by: Anton Johansson <anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Split helper-proto.hRichard Henderson
Create helper-proto-common.h without the target specific portion. Use that in tcg-op-common.h. Include helper-proto.h in target/arm and target/hexagon before helper-info.c.inc; all other targets are already correct in this regard. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Split helper-gen.hRichard Henderson
Create helper-gen-common.h without the target specific portion. Use that in tcg-op-common.h. Reorg headers in target/arm to ensure that helper-gen.h is included before helper-info.c.inc. All other targets are already correct in this regard. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Split tcg_gen_callNRichard Henderson
Make tcg_gen_callN a static function. Create tcg_gen_call[0-7] functions for use by helper-gen.h.inc. Removes a multiplicty of calls to __stack_chk_fail, saving up to 143kiB of .text space as measured on an x86_64 host. Old New Less %Change 8888680 8741816 146864 1.65% qemu-system-aarch64 5911832 5856152 55680 0.94% qemu-system-riscv64 5816728 5767512 49216 0.85% qemu-system-mips64 6707832 6659144 48688 0.73% qemu-system-ppc64 Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Move temp_idx and tcgv_i32_temp debug out of lineRichard Henderson
Removes a multiplicity of calls to __assert_fail, saving up to 360kiB of .text space as measured on an x86_64 host. Old New Less %Change 9257272 8888680 368592 3.98% qemu-system-aarch64 6100968 5911832 189136 3.10% qemu-system-riscv64 5839112 5707032 132080 2.26% qemu-system-mips 4447608 4341752 105856 2.38% qemu-system-s390x Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Pass TCGHelperInfo to tcg_gen_callNRichard Henderson
In preparation for compiling tcg/ only once, eliminate the all_helpers array. Instantiate the info structs for the generic helpers in accel/tcg/, and the structs for the target-specific helpers in each translate.c. Since we don't see all of the info structs at startup, initialize at first use, using g_once_init_* to make sure we don't race while doing so. Reviewed-by: Anton Johansson <anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Move TCGHelperInfo and dependencies to tcg/helper-info.hRichard Henderson
This will be required outside of tcg-internal.h soon. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Split tcg/tcg-op-common.h from tcg/tcg-op.hRichard Henderson
Create tcg/tcg-op-common.h, moving everything that does not concern TARGET_LONG_BITS or TCGv. Adjust tcg/*.c to use the new header instead of tcg-op.h, in preparation for compiling tcg/ only once. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Move TCGv, dup_const_tl definitions to tcg-op.hRichard Henderson
These two items are the last uses of TARGET_LONG_BITS within tcg.h, and are more in common with the other "_tl" definitions within that file. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Split out tcg/oversized-guest.hRichard Henderson
Move a use of TARGET_LONG_BITS out of tcg/tcg.h. Include the new file only where required. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Split out tcg-target-reg-bits.hRichard Henderson
Often, the only thing we need to know about the TCG host is the register size. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Add tlb_fast_offset to TCGContextRichard Henderson
Disconnect the layout of ArchCPU from TCG compilation. Pass the relative offset of 'env' and 'neg.tlb.f' as a parameter. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05tcg: Move TCG_TYPE_TL from tcg.h to tcg-op.hRichard Henderson
Removes the only use of TARGET_LONG_BITS from tcg.h, which is to be target independent. Move the symbol to a define in tcg-op.h, which will continue to be target dependent. Rather than complicate matters for the use in tb_gen_code(), expand the definition there. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-23tcg: Split out tcg/debug-assert.hRichard Henderson
Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-16tcg: Add tlb_dyn_max_bits to TCGContextRichard Henderson
Disconnect guest tlb parameters from TCG compilation. Reviewed-by: Anton Johansson <anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-16tcg: Add page_bits and page_mask to TCGContextRichard Henderson
Disconnect guest page size from TCG compilation. While this could be done via exec/target_page.h, we want to cache the value across multiple memory access operations, so we might as well initialize this early. The changes within tcg/ are entirely mechanical: sed -i s/TARGET_PAGE_BITS/s->page_bits/g sed -i s/TARGET_PAGE_MASK/s->page_mask/g Reviewed-by: Anton Johansson <anjo@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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