Commit graph

262 commits

Author SHA1 Message Date
Richard Henderson
c96447d838 tcg: Merge INDEX_op_ctz_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
5a5bb0a5a0 tcg: Merge INDEX_op_clz_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
005a87e148 tcg: Merge INDEX_op_rot{l,r}_{i32,i64}
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
3949f365eb tcg: Merge INDEX_op_sar_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
74dbd36f1f tcg: Merge INDEX_op_shr_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
6ca594517a tcg: Merge INDEX_op_shl_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
cd9acd2049 tcg: Merge INDEX_op_remu_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
9a6bc1840e tcg: Merge INDEX_op_rem_{i32,i64}
Rename to INDEX_op_rems to emphasize signed inputs,
and mirroring INDEX_op_remu_*.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
8109598b68 tcg: Merge INDEX_op_divu2_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
ee1805b9e6 tcg: Merge INDEX_op_div2_{i32,i64}
Rename to INDEX_op_divs2 to emphasize signed inputs,
and mirroring INDEX_op_divu2_*.  Document the opcode.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
961b80aecd tcg: Merge INDEX_op_divu_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
b2c514f9d5 tcg: Merge INDEX_op_div_{i32,i64}
Rename to INDEX_op_divs to emphasize signed inputs,
and mirroring INDEX_op_divu_*.

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>
2025-04-28 13:40:16 -07:00
Richard Henderson
c742824dd8 tcg: Merge INDEX_op_mulsh_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
aa28c9ef8e tcg: Merge INDEX_op_muluh_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
d2c3ecadea tcg: Merge INDEX_op_mul_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
5c62d3779b tcg: Merge INDEX_op_not_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
6971358747 tcg: Merge INDEX_op_neg_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
60f34f55f1 tcg: Merge INDEX_op_sub_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
3a8c4e9e53 tcg: Merge INDEX_op_nor_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:16 -07:00
Richard Henderson
59379a45af tcg: Merge INDEX_op_nand_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:15 -07:00
Richard Henderson
5c0968a7e1 tcg: Merge INDEX_op_eqv_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:15 -07:00
Richard Henderson
fffd3dc902 tcg: Merge INDEX_op_xor_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:15 -07:00
Richard Henderson
6aba25ebb9 tcg: Merge INDEX_op_orc_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:15 -07:00
Richard Henderson
49bd751497 tcg: Merge INDEX_op_or_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:15 -07:00
Richard Henderson
46f96bff16 tcg: Merge INDEX_op_andc_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:15 -07:00
Richard Henderson
c3b920b3d6 tcg: Merge INDEX_op_and_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:15 -07:00
Richard Henderson
79602f632a tcg: Merge INDEX_op_add_{i32,i64}
Rely on TCGOP_TYPE instead of opcodes specific to each type.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:15 -07:00
Richard Henderson
b5701261da tcg: Merge INDEX_op_mov_{i32,i64}
Begin to rely on TCGOp.type to discriminate operations,
rather than two different opcodes.  Convert mov first.
Introduce TCG_OPF_INT in order to keep opcode dumps the same.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:15 -07:00
Richard Henderson
48e8de684a tcg: Remove INDEX_op_ext{8,16,32}*
Use the fully general extract opcodes instead.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:15 -07:00
Richard Henderson
a9d107fa0e tcg: Pass max_threads not max_cpus to tcg_init
In effect, hoist the check for mttcg from tcg_n_regions()
to tcg_init_machine().

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>
2025-04-23 15:07:32 -07:00
Philippe Mathieu-Daudé
4ff1b33edf tcg: Always define TARGET_INSN_START_EXTRA_WORDS
Do not define TARGET_INSN_START_EXTRA_WORDS under the
hood, have each target explicitly define it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-23 15:07:32 -07:00
Philippe Mathieu-Daudé
21d41c566d tcg: Declare TARGET_INSN_START_EXTRA_WORDS in 'cpu-param.h'
To avoid including the huge "cpu.h" for a simple definition,
move TARGET_INSN_START_EXTRA_WORDS to "cpu-param.h".

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-23 15:07:32 -07:00
Pierrick Bouvier
2ec0dc245f codebase: prepare to remove cpu.h from exec/exec-all.h
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250317183417.285700-7-pierrick.bouvier@linaro.org>
2025-04-23 13:52:25 -07:00
Richard Henderson
6b8abd244b tcg: Introduce the 'z' constraint for a hardware zero register
For loongarch, mips, riscv and sparc, a zero register is
available all the time.  For aarch64, register index 31
depends on context: sometimes it is the stack pointer,
and sometimes it is the zero register.

Introduce a new general-purpose constraint which maps 0
to TCG_REG_ZERO, if defined.  This differs from existing
constant constraints in that const_arg[*] is recorded as
false, indicating that the value is in a register.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-02-18 08:29:03 -08:00
Richard Henderson
50b7a197e1 tcg: Merge INDEX_op_qemu_*_{a32,a64}_*
Since 64-on-32 is now unsupported, guest addresses always
fit in one host register.  Drop the replication of opcodes.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-02-18 07:33:42 -08:00
Richard Henderson
f441b4d19b tcg: Remove TCG_OVERSIZED_GUEST
This is now prohibited in configuration.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-02-18 07:33:42 -08:00
Ilya Leoshkevich
d3203d5a0c tcg: Document tb_lookup() and tcg_tb_lookup()
These similarly named functions serve different purposes; add
docstrings to highlight them.

Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250116213214.5695-1-iii@linux.ibm.com>
2025-01-17 08:24:43 -08:00
Richard Henderson
f9af66f6dc tcg: Replace IMPLVEC with TCG_OPF_VECTOR
This is now a direct replacement.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:17 -08:00
Richard Henderson
76187b4f57 tcg: Drop implementation checks from tcg-opc.h
Now that we use a functional interface to query whether the opcode
is supported, we can drop the TCG_OPF_NOT_PRESENT bit mapping from
TCG_TARGET_HAS_foo in tcg-opc.h

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:17 -08:00
Richard Henderson
931bac71fc tcg: Remove TCG_OPF_64BIT
This flag is no longer used.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:17 -08:00
Richard Henderson
07ffd5b219 tcg: Add TCG_OPF_NOT_PRESENT to opcodes without inputs or outputs
The br, mb, goto_tb and exit_tb opcodes do not have
register operands, only constants, flags, or labels.
Remove the special case in opcode_args_ct by including
TCG_OPF_NOT_PRESENT in the flags for these opcodes.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:16 -08:00
Richard Henderson
ed1a653bad tcg: Constify tcg_op_defs
Now that we're no longer assigning to TCGOpDef.args_ct,
we can make the array constant.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:16 -08:00
Richard Henderson
501fb3da3f tcg: Remove args_ct from TCGOpDef
Introduce a new function, opcode_args_ct, to look up the argument
set for an opcode.  We lose the ability to assert the correctness
of the map from TCGOpcode to constraint sets at startup, but we can
still validate at runtime upon lookup.

Rename process_op_defs to process_constraint_sets, as it now does
nothing to TCGOpDef.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:16 -08:00
Richard Henderson
3e80824e8b tcg: Reorg process_op_defs
Process each TCGConstraintSetIndex first.  Allocate TCGArgConstraint
arrays based on those.  Only afterward process the TCGOpcodes and
share those TCGArgConstraint arrays.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:16 -08:00
Richard Henderson
93280b6738 tcg: Only include 'tcg-has.h' when necessary
TCG_TARGET_HAS_* definitions don't need to be exposed
by "tcg/tcg.h". Only include 'tcg-has.h' when necessary.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250108215156.8731-15-philmd@linaro.org>
2025-01-16 20:57:16 -08:00
Richard Henderson
fd4841c043 tcg: Extract default TCG_TARGET_HAS_foo definitions to 'tcg-has.h'
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250108215156.8731-3-philmd@linaro.org>
2025-01-16 20:57:16 -08:00
Richard Henderson
7d3e705a96 tcg: Move fallback tcg_can_emit_vec_op out of line
Don't reference TCG_TARGET_MAYBE_vec in a public header.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:16 -08:00
Richard Henderson
87431dd6a9 tcg/tci: Move TCI specific opcodes to tcg-target-opc.h.inc
Now that tcg-target-opc.h.inc is unconditional,
we can move these out of the generic header.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:16 -08:00
Richard Henderson
76da0a9c83 tcg: Rename tcg-target.opc.h to tcg-target-opc.h.inc
In addition, add empty files for mips, sparc64 and tci.
Make the include unconditional within tcg-opc.h.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:16 -08:00
Richard Henderson
a417ef8350 tcg: Remove TCG_TARGET_NEED_LDST_LABELS and TCG_TARGET_NEED_POOL_LABELS
Make these features unconditional, as they're used by most
tcg backends anyway.  Merge tcg-ldst.c.inc and tcg-pool.c.inc
into tcg.c and mark some of the functions unused, so that
when the features are not used we won't get Werrors.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:16 -08:00