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2023-03-05target/riscv: Drop temp_newRichard Henderson
Translators are no longer required to free tcg temporaries, therefore there's no need to record temps for later freeing. Replace the few uses with tcg_temp_new. Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/riscv: Drop ftemp_newRichard Henderson
Translators are no longer required to free tcg temporaries, therefore there's no need to record temps for later freeing. Replace the few uses with tcg_temp_new_i64. Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/ppc: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/openrisc: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/nios2: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/microblaze: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/m68k: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/m68k: Drop free_condRichard Henderson
Translators are no longer required to free tcg temporaries. Remove the g1 and g2 members of DisasCompare, as they were used to track which temps needed to be freed. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/m68k: Drop mark_to_releaseRichard Henderson
Translators are no longer required to free tcg temporaries, therefore there's no need to record temps for later freeing. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/loongarch: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Song Gao <gaosong@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/loongarch: Drop temp_newRichard Henderson
Translators are no longer required to free tcg temporaries, therefore there's no need to record temps for later freeing. Replace the few uses with tcg_temp_new. Reviewed-by: Song Gao <gaosong@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/hppa: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/hexagon/idef-parser: Drop HexValue.is_manualRichard Henderson
This field is no longer used. Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/hexagon/idef-parser: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. This removes gen_rvalue_free, gen_rvalue_free_manual and free_variables, whose only purpose was to emit tcg_temp_free. Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/hexagon: Drop tcg_temp_free from gen_tcg_funcs.pyRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/hexagon: Drop tcg_temp_free from C codeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/cris: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/cris: Drop addr from dec10_ind_move_m_prRichard Henderson
This variable is not used, only allocated and freed. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/cris: Drop cris_alu_m_free_tempsRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/cris: Drop cris_alu_free_tempsRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/avr: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/avr: Drop R from trans_COMRichard Henderson
This variable is not used, only allocated and freed. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/avr: Drop DisasContext.free_skip_var0Richard Henderson
Translators are no longer required to free tcg temporaries, therefore there's no need to record for later freeing. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop tcg_temp_free from translator.hRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop tcg_temp_free from translator-vfp.cRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop tcg_temp_free from translator-sve.cRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop tcg_temp_free from translator-sme.cRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop tcg_temp_free from translator-neon.cRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop tcg_temp_free from translator-mve.cRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop tcg_temp_free from translator-m-nocp.cRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop tcg_temp_free from translator-a64.cRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop new_tmp_a64_zeroRichard Henderson
Only the use within cpu_reg requires a writable temp, so inline new_tmp_a64_zero there. All other uses are fine with a constant temp, so use tcg_constant_i64(0). Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop new_tmp_a64Richard Henderson
This is now a simple wrapper for tcg_temp_new_i64. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop DisasContext.tmp_a64Richard Henderson
Translators are no longer required to free tcg temporaries, therefore there's no need to record temps for later freeing. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Drop tcg_temp_free from translator.cRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Remove value_global from DisasCompareRichard Henderson
This field was only used to avoid freeing globals. Since we no longer free any temps, this is dead. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/arm: Remove arm_free_cc, a64_free_ccRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/alpha: Drop tcg_temp_freeRichard Henderson
Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05accel/tcg: Remove translator_loop_temp_checkRichard Henderson
Finish removing tcg temp free accounting interfaces. Reviewed-by: Peter Maydell <peter.maydell@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: Decode the operand to INDEX_op_mb in dumpsRichard Henderson
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05tcg/i386: Mark Win64 call-saved vector regs as reservedRichard Henderson
While we do not include these in tcg_target_reg_alloc_order, and therefore they ought never be allocated, it seems safer to mark them reserved as well. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05include/qemu/cpuid: Introduce xgetbv_lowRichard Henderson
Replace the two uses of asm to expand xgetbv with an inline function. Since one of the two has been using the mnemonic, assume that the comment about "older versions of the assember" is obsolete, as even that is 4 years old. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05accel/tcg: Trigger watchpoints from atomic_mmu_lookupRichard Henderson
Fixes a bug in that we weren't reporting these changes. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05softmmu: Check watchpoints for read+write at onceRichard Henderson
Atomic operations are read-modify-write, and we'd like to be able to test both read and write with one call. This is easy enough, with BP_MEM_READ | BP_MEM_WRITE. Add BP_HIT_SHIFT to make it easy to set BP_WATCHPOINT_HIT_*. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05accel/tcg: Honor TLB_DISCARD_WRITE in atomic_mmu_lookupRichard Henderson
Using an atomic write or read-write insn on ROM is basically a happens-never case. Handle it via stop-the-world, which will generate non-atomic serial code, where we can correctly ignore the write while producing the correct read result. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05accel/tcg: Retain prot flags from tlb_fillRichard Henderson
While changes are made to prot within tlb_set_page_full, they are an implementation detail of softmmu. Retain the original for any target use of probe_access_full. Fixes: 4047368938f6 ("accel/tcg: Introduce tlb_set_page_full") Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05target/sparc: Use tlb_set_page_fullRichard Henderson
Pass CPUTLBEntryFull to get_physical_address instead of a collection of pointers. Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05tcg: Merge two sequential labelsRichard Henderson
Remove the first label and redirect all uses to the second. Tested-by: Taylor Simpson <tsimpson@quicinc.com> Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> 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>