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2024-05-22tcg: Introduce TCG_TARGET_HAS_tst_vecRichard Henderson
Prelude to supporting TCG_COND_TST* in vector comparisons. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15accel/tcg: Record DisasContextBase in tcg_ctx for pluginsRichard Henderson
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-30plugins: Replace pr_ops with a proper debug dump flagRichard Henderson
The DEBUG_PLUGIN_GEN_OPS ifdef is replaced with "-d op_plugin". The second pr_ops call can be obtained with "-d op". Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-30tcg: Remove TCG_CALL_PLUGINRichard Henderson
Since we no longer emit plugin helpers during the initial code translation phase, we don't need to specially mark plugin helpers. Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-30tcg: Pass function pointer to tcg_gen_call*Richard Henderson
For normal helpers, read the function pointer from the structure earlier. For plugins, this will allow the function pointer to come from elsewhere. 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>
2024-04-30tcg: Make tcg/helper-info.h self-containedRichard Henderson
Move MAX_CALL_IARGS from tcg.h and include for the define of TCG_TARGET_REG_BITS. 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>
2024-04-09tcg: Add TCGContext.emit_before_opRichard Henderson
Allow operations to be emitted via normal expanders into the middle of the opcode stream. Tested-by: Jørgen Hansen <Jorgen.Hansen@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-02-13tcg: 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>
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_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>
2023-11-06accel/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: 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>
2023-10-04tcg: 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>
2023-08-31accel/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: 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 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 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>
2023-05-16tcg: Add addr_type to TCGContextRichard Henderson
This will enable replacement of TARGET_LONG_BITS within tcg/. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-16tcg: Widen tcg_gen_code pc_start argument to uint64_tRichard Henderson
Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-16tcg: Widen gen_insn_data to uint64_tRichard Henderson
We already pass uint64_t to restore_state_to_opc; this changes all of the other uses from insn_start through the encoding to decoding. Reviewed-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-04-23tcg: Replace tcg_abort with g_assert_not_reachedRichard Henderson
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-13tcg: Drop tcg_const_*Richard Henderson
These functions are no longer used. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-13tcg: Drop tcg_const_*_vecRichard Henderson
Replace with tcg_constant_vec*. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-13tcg: Create tcg/tcg-temp-internal.hRichard Henderson
Move the tcg_temp_free_* and tcg_temp_ebb_new_* declarations and inlines to the new header. These are private to the implementation, and will prevent tcg_temp_free_* from creeping back into the guest front ends. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05tcg: Remove tcg_check_temp_count, tcg_clear_temp_countRichard Henderson
Since all temps allocated by guest front-ends are now TEMP_TB, and we don't recycle TEMP_TB, there's no point in requiring that the front-ends free the temps at all. Begin by dropping the inner-most checks that all temps have been freed. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05tcg: Link branches to the labelsRichard Henderson
This allows us to easily find all branches that use a label. Since 'refs' is only tested vs zero, remove it and test for an empty list instead. Drop the use of bitfields, which had been used to pack refs into a single 32-bit word. Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-01tcg: Remove tcg_temp_local_new_*, tcg_const_local_*Richard Henderson
These symbols are now unused. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-01tcg: Change default temp lifetime to TEMP_TBRichard Henderson
Guest front-ends now get temps that span the lifetime of the translation block by default, which avoids accidentally using the temp across branches and invalidating the data. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-01tcg: Don't re-use TEMP_TB temporariesRichard Henderson
Reusing TEMP_TB interferes with detecting whether the temp can be adjusted to TEMP_EBB. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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