Commit Graph
305 Commits
Author SHA1 Message Date
Matt Borgerson 704ece9ac6 Merge QEMU v10.2.0 2026-01-18 16:36:55 -07:00
Richard Henderson 8c00f56fca tcg/tci: Disable -Wundef FFI_GO_CLOSURES warning
Since we build TCI with FFI (commit 22f15579fa "tcg: Build ffi data
structures for helpers") we get on Darwin:

  In file included from ../../tcg/tci.c:22:
  In file included from include/tcg/helper-info.h:13:
  /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/ffi/ffi.h:483:5: warning: 'FFI_GO_CLOSURES' is not defined, evaluates to 0 [-Wundef]
    483 | #if FFI_GO_CLOSURES
        |     ^
  1 warning generated.

This was fixed in upstream libffi in 2023, but not backported to MacOSX.
Simply disable the warning locally.

Reported-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-12-05 07:50:15 -06:00
Richard HendersonandPeter Maydell 092ac2481a tcg: Add tcg_gen_atomic_{xchg,fetch_and,fetch_or}_i128
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20250815122653.701782-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-08-30 16:37:24 +01:00
Philippe Mathieu-Daudé 2320453031 accel/tcg: Propagate AccelState to dump_accel_info()
Declare tcg_dump_stats() in "tcg/tcg.h" so it can be used out of
accel/tcg/, like by {bsd,linux}-user.

Next commit will register the TCG AccelClass::get_stats handler,
which expects a AccelState, so propagate it to dump_accel_info().

Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250715140048.84942-6-philmd@linaro.org>
2025-07-15 19:34:33 +02:00
Richard Henderson c86da2b1dd tcg: Use uintptr_t in tcg_malloc implementation
Avoid ubsan failure with clang-20,
  tcg.h:715:19: runtime error: applying non-zero offset 64 to null pointer
by not using pointers.

Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-07-11 10:43:47 -06:00
Richard Henderson aa1cc0d74d tcg: Split out tcg_gen_gvec_dup_imm_var
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-06-23 11:44:28 -07:00
Richard Henderson 4474051821 tcg: Split out tcg_gen_gvec_{add,sub}_var
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-06-23 11:44:28 -07:00
Richard Henderson ebba58c44d tcg: Split out tcg_gen_gvec_mov_var
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-06-23 11:44:28 -07:00
Richard Henderson 465b21ffbe tcg: Split out tcg_gen_gvec_3_var
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-06-23 11:44:28 -07:00
Richard Henderson 7a74c13468 tcg: Split out tcg_gen_gvec_2_var
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-06-23 11:44:12 -07:00
Richard Henderson 11efde54f2 tcg: Drop TCGContext.page_{mask,bits}
Use exec/target_page.h instead of independent variables.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-05-28 08:08:47 +01:00
Richard Henderson 9cfcf8c3b7 tcg: Drop TCGContext.tlb_dyn_max_bits
This was an extremely minor optimization for aarch64
and x86_64, to use a 32-bit AND instruction when the
guest softmmu tlb maximum was sufficiently small.
Both hosts can simply use a 64-bit AND insn instead.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-05-28 08:08:47 +01:00
Pierrick BouvierandPeter Maydell 21a75f792f tcg: add vaddr type for helpers
Defined as an alias of i32/i64 depending on host pointer size.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20250512180502.2395029-13-pierrick.bouvier@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-05-14 15:12:40 +01:00
Richard Henderson e1d8fabc20 tcg: Define INSN_START_WORDS as constant 3
Use the same value for all targets.

Rename TARGET_INSN_START_WORDS and do not depend on
TARGET_INSN_START_EXTRA_WORDS.
Remove TCGContext.insn_start_words.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-05-01 07:37:13 -07:00
Richard Henderson aae2456ac0 tcg: Merge INDEX_op_{ld,st}_{i32,i64,i128}
Merge into INDEX_op_{ld,st,ld2,st2}, where "2" indicates that two
inputs or outputs are required. This simplifies the processing of
i64/i128 depending on host word size.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:17 -07:00
Richard Henderson 33aba058c8 tcg: Remove INDEX_op_qemu_st8_*
The i386 backend can now check TCGOP_FLAGS to select
the correct set of constraints.

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 13:40:17 -07:00
Richard Henderson a28f151d61 tcg: Merge INDEX_op_st*_{i32,i64}
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 13:40:17 -07:00
Richard Henderson e996804d40 tcg: Merge INDEX_op_ld*_{i32,i64}
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 13:40:17 -07:00
Richard Henderson f2b1708e80 tcg: Remove add2/sub2 opcodes
All uses have been replaced by add/sub carry opcodes.

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 13:40:17 -07:00
Richard Henderson db3feb02b8 tcg: Add tcg_gen_addcio_{i32,i64,tl}
Create a function for performing an add with carry-in
and producing carry out.  The carry-out result is boolean.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:17 -07:00
Richard Henderson 76f4278029 tcg: Add add/sub with carry opcodes and infrastructure
Liveness needs to track carry-live state in order to
determine if the (hidden) output of the opcode is used.
Code generation needs to track carry-live state in order
to avoid clobbering cpu flags when loading constants.

So far, output routines and backends are unchanged.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:17 -07:00
Richard Henderson 61d6a8767a tcg: Merge INDEX_op_extract2_{i32,i64}
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 13:40:17 -07:00
Richard Henderson 4d137ff819 tcg: Merge INDEX_op_deposit_{i32,i64}
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-28 13:40:17 -07:00
Richard Henderson fa361eefac tcg: Merge INDEX_op_sextract_{i32,i64}
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 07d5d502f2 tcg: Merge INDEX_op_extract_{i32,i64}
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