target/arm: Implement store_cpu_field_low32() macro

We already have a load_cpu_field_low32() to load the low half of a
64-bit CPU struct field to a TCGv_i32; however we haven't yet needed
the store equivalent.  We'll want that in the next patch, so
implement it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240628142347.1283015-6-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2024-06-28 15:23:43 +01:00
parent abf1046a15
commit 81ae37dbb4
1 changed files with 7 additions and 0 deletions

View File

@ -83,6 +83,13 @@ void store_cpu_offset(TCGv_i32 var, int offset, int size);
sizeof_field(CPUARMState, name)); \
})
/* Store to the low half of a 64-bit field from a TCGv_i32 */
#define store_cpu_field_low32(val, name) \
({ \
QEMU_BUILD_BUG_ON(sizeof_field(CPUARMState, name) != 8); \
store_cpu_offset(val, offsetoflow32(CPUARMState, name), 4); \
})
#define store_cpu_field_constant(val, name) \
store_cpu_field(tcg_constant_i32(val), name)