diff options
Diffstat (limited to 'sim/v850/simops.c')
-rw-r--r-- | sim/v850/simops.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/sim/v850/simops.c b/sim/v850/simops.c index 5513341..49f1200 100644 --- a/sim/v850/simops.c +++ b/sim/v850/simops.c @@ -2209,8 +2209,8 @@ OP_1C007E0 (void) imm5 = 32 - ((OP[3] & 0x3c0000) >> 17); - divide_by = State.regs[ OP[0] ]; - divide_this = State.regs[ OP[1] ] << imm5; + divide_by = (signed32) State.regs[ OP[0] ]; + divide_this = (signed32) (State.regs[ OP[1] ] << imm5); divn (imm5, divide_by, divide_this, & quotient, & remainder, & overflow); @@ -2280,7 +2280,7 @@ OP_18007E0 (void) imm5 = 32 - ((OP[3] & 0x3c0000) >> 17); divide_by = EXTEND16 (State.regs[ OP[0] ]); - divide_this = State.regs[ OP[1] ] << imm5; + divide_this = (signed32) (State.regs[ OP[1] ] << imm5); divn (imm5, divide_by, divide_this, & quotient, & remainder, & overflow); @@ -2351,14 +2351,14 @@ OP_2C007E0 (void) /* Compute the result. */ - divide_by = State.regs[ OP[0] ]; + divide_by = (signed32) State.regs[ OP[0] ]; divide_this = State.regs[ OP[1] ]; if (divide_by == 0) { PSW |= PSW_OV; } - else if (divide_by == -1 && divide_this == (1 << 31)) + else if (divide_by == -1 && divide_this == (1L << 31)) { PSW &= ~PSW_Z; PSW |= PSW_OV | PSW_S; @@ -2367,9 +2367,10 @@ OP_2C007E0 (void) } else { + divide_this = (signed32) divide_this; State.regs[ OP[1] ] = quotient = divide_this / divide_by; State.regs[ OP[2] >> 11 ] = remainder = divide_this % divide_by; - + /* Set condition codes. */ PSW &= ~(PSW_Z | PSW_S | PSW_OV); @@ -2442,7 +2443,7 @@ OP_28007E0 (void) { PSW |= PSW_OV; } - else if (divide_by == -1 && divide_this == (1 << 31)) + else if (divide_by == -1 && divide_this == (1L << 31)) { PSW &= ~PSW_Z; PSW |= PSW_OV | PSW_S; @@ -2451,6 +2452,7 @@ OP_28007E0 (void) } else { + divide_this = (signed32) divide_this; State.regs[ OP[1] ] = quotient = divide_this / divide_by; State.regs[ OP[2] >> 11 ] = remainder = divide_this % divide_by; |