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ARM: Simplify V flag calculation

This commit is contained in:
Vicki Pfau 2020-10-17 21:55:14 -07:00
parent c134c6cae1
commit fff6f5890b
1 changed files with 2 additions and 2 deletions
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4
include/mgba/internal/arm/isa-inlines.h
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@ -34,8 +34,8 @@
#define ARM_CARRY_FROM(M, N, D) (((uint32_t) (M) >> 31) + ((uint32_t) (N) >> 31) > ((uint32_t) (D) >> 31)) #define ARM_CARRY_FROM(M, N, D) (((uint32_t) (M) >> 31) + ((uint32_t) (N) >> 31) > ((uint32_t) (D) >> 31))
#define ARM_BORROW_FROM(M, N, D) (((uint32_t) (M)) >= ((uint32_t) (N))) #define ARM_BORROW_FROM(M, N, D) (((uint32_t) (M)) >= ((uint32_t) (N)))
#define ARM_BORROW_FROM_CARRY(M, N, D, C) (ARM_UXT_64(M) >= (ARM_UXT_64(N)) + (uint64_t) (C)) #define ARM_BORROW_FROM_CARRY(M, N, D, C) (ARM_UXT_64(M) >= (ARM_UXT_64(N)) + (uint64_t) (C))
#define ARM_V_ADDITION(M, N, D) (!(ARM_SIGN((M) ^ (N))) && (ARM_SIGN((M) ^ (D)))) #define ARM_V_ADDITION(M, N, D) (ARM_SIGN(~((M) ^ (N)) & ((M) ^ (D))))
#define ARM_V_SUBTRACTION(M, N, D) ((ARM_SIGN((M) ^ (N))) && (ARM_SIGN((M) ^ (D)))) #define ARM_V_SUBTRACTION(M, N, D) (ARM_SIGN(((M) ^ (N)) & ((M) ^ (D))))
#define ARM_WAIT_MUL(R) \ #define ARM_WAIT_MUL(R) \
{ \ { \