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2014-06-04tcg: Remove TCG_TARGET_HAS_new_ldstRichard Henderson
Since all backends have been converted, remove the compatibility code. Acked-by: Claudio Fontana <claudio.fontana@huawei.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-05-28tcg-sparc: Make debug_frame constRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-05-12tcg: Remove unreachable code in tcg_out_op and op_defsRichard Henderson
The INDEX_op_call case has just been obsoleted; the mov and movi cases have not been reachable for years. Attempt to document this both in each tcg_out_op switch, and via TCG_OPF_NOT_PRESENT. Because of the TCG_OPF_NOT_PRESENT change, this must be done for all targets in a single commit. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-05-12tcg-sparc: Create tcg_out_callRichard Henderson
Rename the existing tcg_out_calli to tcg_out_call_nodelay. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-05-12tcg-sparc: Define TCG_TARGET_INSN_UNIT_SIZERichard Henderson
And use tcg pointer differencing functions as appropriate. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg-sparc: Accept stores of zeroRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg-sparc: Fix small 32-bit moviRichard Henderson
We tested imm13 before discarding garbage high bits. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg-sparc: Fixup function argument typesRichard Henderson
Use TCGReg everywhere appropriate. Use int32_t for all arguments that may be registers or immediate constants. Merge tcg_out_addi into its only caller. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg-sparc: Hoist common argument loads in tcg_out_opRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg-sparc: Don't handle mov/movi in tcg_out_opRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg-sparc: Tidy check_fit_* testsRichard Henderson
Use sextract instead of raw bit shifting for the tests. Introduce a new check_fit_ptr macro to make it clear we're looking at pointers. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg-sparc: Implement muls2_i32Richard Henderson
Using the 32-bit SMUL is a tad more efficient than resorting to extending and using the 64-bit MULX. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg-sparc: Use the RETURN instructionRichard Henderson
Saves one insn per TB exit over JMPL+RESTORE. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg-sparc: Use 64-bit registers with sparcv8plusRichard Henderson
Quite a lot of effort was spent composing and decomposing 64-bit quantities in registers, when we should just create them and leave them as one 64-bit register. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg-sparc: Support trunc_shr_i32Richard Henderson
Unlike a 64-bit shift op, allows the output to be in %l or %i registers for sparcv8plus. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg-sparc: Remove most uses of TCG_TARGET_REG_BITSRichard Henderson
Replace with SPARC64 define. Soon even sparcv8plus will use 64-bit register as far as TCG is concerned. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-28tcg: Add INDEX_op_trunc_shr_i32Richard Henderson
Let the backend do something special for truncation. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-18tcg: Use HOST_WORDS_BIGENDIANRichard Henderson
Instead of rolling a local TCG_TARGET_WORDS_BIGENDIAN. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-18tcg-sparc: Use the type parameter to tcg_target_const_matchRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-04-18tcg: Add TCGType parameter to tcg_target_const_matchRichard Henderson
Most 64-bit targets need to be able to ignore the high bits of a TCG_TYPE_I32 value. Suggested-by: Stuart Brady <sdb@zubnet.me.uk> Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-17tcg-sparc: Convert to new ldst opcodesRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-17tcg-sparc: Convert to new ldst helpersRichard Henderson
All of the helpers with the explicit big/little endian option require the return address as a parameter. Acquire this via a trampoline. Move the load of areg0 into the trampoline. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-17tcg-sparc: Tidy tcg_out_tlb_load interfaceRichard Henderson
Pass address registers explicitly, rather than as indicies of args[]. It's two argument registers either way. Use more TCGReg as appropriate. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-17tcg-sparc: Use TCGMemOp within qemu_ldst routinesRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-17tcg-sparc: Improve tcg_out_moviRichard Henderson
If bits 31:13 are zero, reduce the insn count by one. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-17tcg-sparc: Dont handle constant arguments to ext32 opsRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-17tcg-sparc: Don't handle remainderRichard Henderson
The generic fallback is exactly what we implemented. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-17tcg-sparc: Use intptr_t as appropriateRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-17tcg-sparc: Tidy call+jump patternsRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-17tcg-sparc: Fix tlb readRichard Henderson
We were computing the full address into %o0 and then not using it. Adjust some of the computation to rely less on having to pull immediate values into registers. Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-17tcg-sparc: Fix ld64 for 32-bit modeRichard Henderson
Since were not using an annulled branch, we need to put a nop in the delay slot. Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-10-10tcg: Add qemu_ld_st_i32/64Richard Henderson
Step two in the transition, adding the new ldst opcodes. Keep the old opcodes around until all backends support the new opcodes. Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-10-10tcg: Add tcg-be-null.hRichard Henderson
This is a no-op backend data implementation, for those targets that are not currently using the load/store optimization path. This is prepatory to always requiring these functions in all backends. Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-20tcg-sparc: Fix parenthesis warningRichard Henderson
error: suggest parentheses around comparison in operand of ‘&’ [-Werror=parentheses] Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-02exec: Split softmmu_defs.hRichard Henderson
The _cmmu helpers can be moved to exec-all.h. The helpers that are used from TCG will shortly need access to tcg_target_long so move their declarations into tcg.h. This requires minor include adjustments to all TCG backends. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-02tcg: Change tcg_out_ld/st offset to intptr_tRichard Henderson
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-02tcg: Change relocation offsets to intptr_tRichard Henderson
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-02tcg: Allow TCG_TARGET_REG_BITS to be specified independantlyRichard Henderson
There are several hosts for which it would be useful to use the available 64-bit registers in a 32-bit pointer environment. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-02tcg: Change flush_icache_range arguments to uintptr_tRichard Henderson
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-02tcg: Add muluh and mulsh opcodesRichard Henderson
Use them in places where mulu2 and muls2 are used. Optimize mulx2 with dead low part to mulxh. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-09tcg: Move the CIE and FDE header definitions to common codeRichard Henderson
These will necessarily be the same layout for all hosts. This limits the amount of boilerplate required to implement jit debug for a host. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-09tcg: Split rem requirement from div requirementRichard Henderson
There are several hosts with only a "div" insn. Remainder is computed manually from the quotient and inputs. We can do this generically. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-03-03tcg-sparc: fix buildBlue Swirl
Fix build breakage by 803d805bcef4ea7b7d6ef0b4929263e1160d6b3c: make tcg_out_addsub2() always available. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-02-23tcg: Add signed multiword multiplication operationsRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-02-23tcg: Add 64-bit multiword arithmetic operationsRichard Henderson
Matching the 32-bit multiword arithmetic that we already have. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-02-23tcg-sparc: Always implement 32-bit multiword opsRichard Henderson
Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-02-23tcg: Make 32-bit multiword operations optional for 64-bit hostsRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-19exec: move include files to include/exec/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19janitor: add guards to headersPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-19Merge branch 'linux-user-for-upstream' of ↵Aurelien Jarno
git://git.linaro.org/people/rikuvoipio/qemu * 'linux-user-for-upstream' of git://git.linaro.org/people/rikuvoipio/qemu: linux-user: register align p{read, write}64 linux-user: ppc: mark as long long aligned tcg: Remove TCG_TARGET_HAS_GUEST_BASE define configure: Remove unnecessary host_guest_base code linux-user: If loading fails, print error as string, not number linux-user: Fix siginfo handling alpha-linux-user: Fix sigaltstack structure definition linux-user: Implement gethostname linux-user: Perform more checks on iovec lists linux-user: fix multi-threaded /proc/self/maps linux-user: fix statfs
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