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[x86] Fix multiplication flags for 64 bit muls 

This fixes a couple of games.
This commit is contained in:
David Guillen Fandos 2021-12-06 17:08:18 +01:00
parent be3fdfd0b4
commit a435c712f8
1 changed files with 6 additions and 4 deletions
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10
x86/x86_emit.h
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@ -1302,6 +1302,7 @@ u32 function_cc execute_spsr_restore(u32 address)
} \
#define arm_multiply_flags_yes() \
generate_and(a0, a0); \
generate_update_flag(z, REG_Z_FLAG) \
generate_update_flag(s, REG_N_FLAG)
@ -1320,8 +1321,8 @@ u32 function_cc execute_spsr_restore(u32 address)
generate_load_reg(a1, rs); \
generate_multiply(a1); \
arm_multiply_add_##add_op(); \
generate_store_reg(a0, rd); \
arm_multiply_flags_##flags(); \
generate_store_reg(a0, rd); \
} \
#define arm_multiply_long_flags_yes() \
@ -2042,9 +2043,10 @@ u32 execute_store_cpsr_body()
storefnc(a0, rd);
#define arm_data_proc_muls(rd, storefnc) \
arm_data_proc_mul(rd, storefnc); \
update_logical_flags();
generate_multiply(a1); \
generate_and(a0, a0); \
update_logical_flags(); \
storefnc(a0, rd);
#define arm_data_proc_adc(rd, storefnc) \
/* Loads the flag to the right value by adding it to ~0 causing carry */ \