-//--------------------------------------
-// Floating point multiply instructions
-//--------------------------------------
-
-def FMv4f32:
- RRForm<0b00100011010, (outs VECREG:$rT), (ins VECREG:$rA, VECREG:$rB),
- "fm\t$rT, $rA, $rB", SPrecFP,
- [(set (v4f32 VECREG:$rT), (fmul (v4f32 VECREG:$rA),
- (v4f32 VECREG:$rB)))]>;
-
-def FMf32 :
- RRForm<0b01100011010, (outs R32FP:$rT), (ins R32FP:$rA, R32FP:$rB),
- "fm\t$rT, $rA, $rB", SPrecFP,
- [(set R32FP:$rT, (fmul R32FP:$rA, R32FP:$rB))]>;
-
-// Floating point multiply and add
-// e.g. d = c + (a * b)
-def FMAv4f32:
- RRRForm<0b0111, (outs VECREG:$rT), (ins VECREG:$rA, VECREG:$rB, VECREG:$rC),
- "fma\t$rT, $rA, $rB, $rC", SPrecFP,
- [(set (v4f32 VECREG:$rT),
- (fadd (v4f32 VECREG:$rC),
- (fmul (v4f32 VECREG:$rA), (v4f32 VECREG:$rB))))]>;
-
-def FMAf32:
- RRRForm<0b0111, (outs R32FP:$rT), (ins R32FP:$rA, R32FP:$rB, R32FP:$rC),
- "fma\t$rT, $rA, $rB, $rC", SPrecFP,
- [(set R32FP:$rT, (fadd R32FP:$rC, (fmul R32FP:$rA, R32FP:$rB)))]>;
-
-// FP multiply and subtract
-// Subtracts value in rC from product
-// res = a * b - c
-def FMSv4f32 :
- RRRForm<0b0111, (outs VECREG:$rT), (ins VECREG:$rA, VECREG:$rB, VECREG:$rC),
- "fms\t$rT, $rA, $rB, $rC", SPrecFP,
- [(set (v4f32 VECREG:$rT),
- (fsub (fmul (v4f32 VECREG:$rA), (v4f32 VECREG:$rB)),
- (v4f32 VECREG:$rC)))]>;
-
-def FMSf32 :
- RRRForm<0b0111, (outs R32FP:$rT), (ins R32FP:$rA, R32FP:$rB, R32FP:$rC),
- "fms\t$rT, $rA, $rB, $rC", SPrecFP,
- [(set R32FP:$rT,
- (fsub (fmul R32FP:$rA, R32FP:$rB), R32FP:$rC))]>;
-
-// Floating Negative Mulitply and Subtract
-// Subtracts product from value in rC
-// res = fneg(fms a b c)
-// = - (a * b - c)
-// = c - a * b
-// NOTE: subtraction order
-// fsub a b = a - b
-// fs a b = b - a?
-def FNMSf32 :
- RRRForm<0b1101, (outs R32FP:$rT), (ins R32FP:$rA, R32FP:$rB, R32FP:$rC),
- "fnms\t$rT, $rA, $rB, $rC", SPrecFP,
- [(set R32FP:$rT, (fsub R32FP:$rC, (fmul R32FP:$rA, R32FP:$rB)))]>;
-
-def FNMSv4f32 :
- RRRForm<0b1101, (outs VECREG:$rT), (ins VECREG:$rA, VECREG:$rB, VECREG:$rC),
- "fnms\t$rT, $rA, $rB, $rC", SPrecFP,
- [(set (v4f32 VECREG:$rT),
- (fsub (v4f32 VECREG:$rC),
- (fmul (v4f32 VECREG:$rA),
- (v4f32 VECREG:$rB))))]>;
-