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2019-02-28target/arm: Implement FMLAL and FMLSL for aarch64Richard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190219222952.22183-3-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-21target/arm: Implement ARMv8.3-JSConvRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190215192302.27855-5-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: fixed a couple of comment typos] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-21target/arm: Restructure disas_fp_int_convRichard Henderson
For opcodes 0-5, move some if conditions into the structure of a switch statement. For opcodes 6 & 7, decode everything at once with a second switch. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190215192302.27855-2-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-15target/arm: Use vector operations for saturationRichard Henderson
For same-sign saturation, we have tcg vector operations. We can compute the QC bit by comparing the saturated value against the unsaturated value. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190209033847.9014-12-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-15target/arm: Use vector minmax expanders for aarch64Richard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190209033847.9014-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-15target/arm: Rely on optimization within tcg_gen_gvec_orRichard Henderson
Since we're now handling a == b generically, we no longer need to do it by hand within target/arm/. Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190209033847.9014-2-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-05target/arm: Clean TBI for data operations in the translatorRichard Henderson
This will allow TBI to be used in user-only mode, as well as avoid ping-ponging the softmmu TLB when TBI is in use. It will also enable other armv8 extensions. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190204132126.3255-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-05target/arm: Add TBFLAG_A64_TBID, split out gen_top_byte_ignoreRichard Henderson
Split out gen_top_byte_ignore in preparation of handling these data accesses; the new tbflags field is not yet honored. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190204132126.3255-2-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-05target/arm: Set btype for indirect branchesRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190128223118.5255-9-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-05target/arm: Reset btype for direct branchesRichard Henderson
This is all of the non-exception cases of DISAS_NORETURN. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190128223118.5255-8-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-05target/arm: Default handling of BTYPE during translationRichard Henderson
The branch target exception for guarded pages has high priority, and only 8 instructions are valid for that case. Perform this check before doing any other decode. Clear BTYPE after all insns that neither set BTYPE nor exit via exception (DISAS_NORETURN). Not yet handled are insns that exit via DISAS_NORETURN for some other reason, like direct branches. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190128223118.5255-7-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-05target/arm: Add BT and BTYPE to tb->flagsRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190128223118.5255-4-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-05target/arm: Add PSTATE.BTYPERichard Henderson
Place this in its own field within ENV, as that will make it easier to reset from within TCG generated code. With the change to pstate_read/write, exception entry and return are automatically handled. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190128223118.5255-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-01target/arm: fix decoding of B{,L}RA{A,B}Remi Denis-Courmont
A flawed test lead to the instructions always being treated as unallocated encodings. Fixes: https://bugs.launchpad.net/bugs/1813460 Signed-off-by: Remi Denis-Courmont <remi.denis.courmont@huawei.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-02-01target/arm/translate-a64: Fix mishandling of size in FCMLA decodePeter Maydell
In disas_simd_indexed(), for the case of "complex fp", each indexable element is a complex pair, so the total size is twice that indicated in the 'size' field in the encoding. We were trying to do this "double the size" operation with a left shift by 1, but this is incorrect because the 'size' field is a MO_8/MO_16/MO_32/MO_64 value, and doubling the size should be done by a simple increment. This meant we were mishandling FCMLA (by element) of values where the real and imaginary parts are 32-bit floats, and would incorrectly UNDEF this encoding. (No other insns take this code path, and for 16-bit floats it happens that 1 << 1 and 1 + 1 are both the same). Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 20190129140411.682-3-peter.maydell@linaro.org
2019-02-01target/arm/translate-a64: Fix FCMLA decoding errorPeter Maydell
The FCMLA (by element) instruction exists in the "vector x indexed element" encoding group, but not in the "scalar x indexed element" group. Correctly UNDEF the unallocated encodings. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 20190129140411.682-2-peter.maydell@linaro.org
2019-02-01target/arm/translate-a64: Don't underdecode SDOT and UDOTPeter Maydell
In the AdvSIMD scalar x indexed element and vector x indexed element encoding group, the SDOT and UDOT instructions are vector only, and their opcode is unallocated in the scalar group. Correctly UNDEF this unallocated encoding. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 20190125182626.9221-8-peter.maydell@linaro.org
2019-02-01target/arm/translate-a64: Don't underdecode FP insnsPeter Maydell
In the encoding groups * floating-point data-processing (1 source) * floating-point data-processing (2 source) * floating-point data-processing (3 source) * floating-point immediate * floating-point compare * floating-ponit conditional compare * floating-point conditional select bit 31 is M and bit 29 is S (and bit 30 is 0, already checked at this point in the decode). None of these groups allocate any encoding for M=1 or S=1. We checked this in disas_fp_compare(), disas_fp_ccomp() and disas_fp_csel(), but missed it in disas_fp_1src(), disas_fp_2src(), disas_fp_3src() and disas_fp_imm(). We also missed that in the fp immediate encoding the imm5 field must be all zeroes. Correctly UNDEF the unallocated encodings here. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 20190125182626.9221-7-peter.maydell@linaro.org
2019-02-01target/arm/translate-a64: Don't underdecode add/sub extended registerPeter Maydell
In the "add/subtract (extended register)" encoding group, the "opt" field in bits [23:22] must be zero. Correctly UNDEF the unallocated encodings where this field is not zero. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 20190125182626.9221-6-peter.maydell@linaro.org
2019-02-01target/arm/translate-a64: Don't underdecode SIMD ld/st singlePeter Maydell
In the AdvSIMD load/store single structure encodings, the non-post-indexed case should have zeroes in [20:16] (which is the Rm field for the post-indexed case). Bit 31 must also be zero (a check we got right in ldst_multiple but not here). Correctly UNDEF these unallocated encodings. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 20190125182626.9221-5-peter.maydell@linaro.org
2019-02-01target/arm/translate-a64: Don't underdecode SIMD ld/st multiplePeter Maydell
In the AdvSIMD load/store multiple structures encodings, the non-post-indexed case should have zeroes in [20:16] (which is the Rm field for the post-indexed case). Correctly UNDEF the currently unallocated encodings which have non-zeroes in those bits. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 20190125182626.9221-4-peter.maydell@linaro.org
2019-02-01target/arm/translate-a64: Don't underdecode PRFMPeter Maydell
The PRFM prefetch insn in the load/store with imm9 encodings requires idx field 0b00; we were underdecoding this by only checking !is_unpriv (which is equivalent to idx != 2). Correctly UNDEF the unallocated encodings where idx == 0b01 and 0b11 as well as 0b10. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 20190125182626.9221-3-peter.maydell@linaro.org
2019-02-01target/arm/translate-a64: Don't underdecode system instructionsPeter Maydell
The "system instructions" and "system register move" subcategories of "branches, exception generating and system instructions" for A64 only apply if bits [23:22] are zero; other values are currently unallocated. Correctly UNDEF these unallocated encodings. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Message-id: 20190125182626.9221-2-peter.maydell@linaro.org
2019-01-21target/arm: Tidy TBI handling in gen_a64_set_pcRichard Henderson
We can perform this with fewer operations. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-32-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Merge TBFLAG_AA_TB{0, 1} to TBIIRichard Henderson
We will shortly want to talk about TBI as it relates to data. Passing around a pair of variables is less convenient than a single variable. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-20-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Decode Load/store register (pac)Richard Henderson
Not that there are any stores involved, but why argue with ARM's naming convention. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-15-richard.henderson@linaro.org [fixed trivial comment nit] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Decode PAuth within disas_uncond_b_regRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-14-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Rearrange decode in disas_uncond_b_regRichard Henderson
This will enable PAuth decode in a subsequent patch. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-13-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Add new_pc argument to helper_exception_returnRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-12-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Decode PAuth within disas_data_proc_2srcRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-10-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Decode PAuth within disas_data_proc_1srcRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-9-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Rearrange decode in disas_data_proc_1srcRichard Henderson
Now properly signals unallocated for REV64 with SF=0. Allows for the opcode2 field to be decoded shortly. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-8-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Decode PAuth within system hint spaceRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-7-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Add PAuth active bit to tbflagsRichard Henderson
There are 5 bits of state that could be added, but to save space within tbflags, add only a single enable bit. Helpers will determine the rest of the state at runtime. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-4-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-07target/arm: Convert ARM_TBFLAG_* to FIELDsRichard Henderson
Use "register" TBFLAG_ANY to indicate shared state between A32 and A64, and "registers" TBFLAG_A32 & TBFLAG_A64 for fields that are specific to the given cpu state. Move ARM_TBFLAG_BE_DATA to shared state, instead of its current placement within "Bit usage when in AArch32 state". Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20181218164348.7127-1-richard.henderson@linaro.org [PMM: removed the renaming of BE_DATA flag to BE] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-12-13target/arm: Implement the ARMv8.1-LOR extensionRichard Henderson
Provide a trivial implementation with zero limited ordering regions, which causes the LDLAR and STLLR instructions to devolve into the LDAR and STLR instructions from the base ARMv8.0 instruction set. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181210150501.7990-4-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-11-06target/arm: Remove can't-happen if() from handle_vec_simd_shli()Peter Maydell
In handle_vec_simd_shli() we have a check: if (size > 3 && !is_q) { unallocated_encoding(s); return; } However this can never be true, because we calculate int size = 32 - clz32(immh) - 1; where immh is a 4 bit field which we know cannot be all-zeroes. So the clz32() return must be in {28,29,30,31} and the resulting size is in {0,1,2,3}, and "size > 3" is never true. This unnecessary code confuses Coverity's analysis: in CID 1396476 it thinks we might later index off the end of an array because the condition implies that we might have a size > 3. Remove the code, and instead assert that the size is in [0..3], since the decode that enforces that is somewhat distant from this function. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20181030162517.21816-1-peter.maydell@linaro.org
2018-10-24target/arm: Use gvec for NEON_3R_VTST_VCEQ, NEON_3R_VCGT, NEON_3R_VCGERichard Henderson
Move cmtst_op expanders from translate-a64.c. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-17-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24target/arm: Use gvec for NEON_3R_VMLRichard Henderson
Move mla_op and mls_op expanders from translate-a64.c. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-16-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24target/arm: Use gvec for VSRI, VSLIRichard Henderson
Move shi_op and sli_op expanders from translate-a64.c. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-15-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24target/arm: Use gvec for VSRARichard Henderson
Move ssra_op and usra_op expanders from translate-a64.c. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-14-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24target/arm: Use gvec for NEON_3R_LOGIC insnsRichard Henderson
Move expanders for VBSL, VBIT, and VBIF from translate-a64.c. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-9-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24target/arm: Promote consecutive memory ops for aa64Richard Henderson
For a sequence of loads or stores from a single register, little-endian operations can be promoted to an 8-byte op. This can reduce the number of operations by a factor of 8. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-5-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24target/arm: Use tcg_gen_gvec_dup_i64 for LD[1-4]RRichard Henderson
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181011205206.3552-4-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24target/arm: Don't call tcg_clear_temp_countRichard Henderson
This is done generically in translator_loop. Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20181011205206.3552-3-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24target/arm: Hoist address increment for vector memory opsRichard Henderson
This can reduce the number of opcodes required for certain complex forms of load-multiple (e.g. ld4.16b). Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 20181011205206.3552-2-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24target/arm: Convert v8.2-fp16 from feature bit to aa64pfr0 testRichard Henderson
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181016223115.24100-9-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24target/arm: Convert sve from feature bit to aa64pfr0 testRichard Henderson
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181016223115.24100-8-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-24target/arm: Convert v8 extensions from feature bits to isar testsRichard Henderson
Most of the v8 extensions are self-contained within the ISAR registers and are not implied by other feature bits, which makes them the easiest to convert. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20181016223115.24100-4-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-10-18target/arm: Check HAVE_CMPXCHG128 at translate timeRichard Henderson
Reviewed-by: Emilio G. Cota <cota@braap.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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