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tcg: Add guest load/store primitives for TCGv_i128

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These are not yet considering atomicity of the 16-byte value;
this is a direct replacement for the current target code which
uses a pair of 8-byte operations.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-11-07 19:48:14 +11:00
parent 4771e71c28
commit cb48f3654e
5 changed files with 324 additions and 0 deletions
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10
include/exec/cpu_ldst.h
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@ -220,6 +220,11 @@ uint32_t cpu_ldl_le_mmu(CPUArchState *env, abi_ptr ptr,
uint64_t cpu_ldq_le_mmu(CPUArchState *env, abi_ptr ptr,
MemOpIdx oi, uintptr_t ra);
Int128 cpu_ld16_be_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra);
Int128 cpu_ld16_le_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra);
void cpu_stb_mmu(CPUArchState *env, abi_ptr ptr, uint8_t val,
MemOpIdx oi, uintptr_t ra);
void cpu_stw_be_mmu(CPUArchState *env, abi_ptr ptr, uint16_t val,
@ -235,6 +240,11 @@ void cpu_stl_le_mmu(CPUArchState *env, abi_ptr ptr, uint32_t val,
void cpu_stq_le_mmu(CPUArchState *env, abi_ptr ptr, uint64_t val,
MemOpIdx oi, uintptr_t ra);
void cpu_st16_be_mmu(CPUArchState *env, abi_ptr addr, Int128 val,
MemOpIdx oi, uintptr_t ra);
void cpu_st16_le_mmu(CPUArchState *env, abi_ptr addr, Int128 val,
MemOpIdx oi, uintptr_t ra);
uint32_t cpu_atomic_cmpxchgb_mmu(CPUArchState *env, target_ulong addr,
uint32_t cmpv, uint32_t newv,
MemOpIdx oi, uintptr_t retaddr);