riscv/rocket-chip
1
0
Fork 0
Code Releases Activity

Fix fmv.s.x -> fsd

Browse Source
This commit is contained in:
Andrew Waterman 2014-01-17 03:52:35 -08:00
parent 57f4d89c90
commit cf38001e98
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
rocket/src/main/scala/fpu.scala
View File

@ -212,6 +212,7 @@ class FPToInt extends Module
val unrec_s = hardfloat.recodedFloatNToFloatN(in.in1, 23, 9)
val unrec_d = hardfloat.recodedFloatNToFloatN(in.in1, 52, 12)
val unrec_out = Mux(in.single, Cat(Fill(32, unrec_s(31)), unrec_s), unrec_d)
val dcmp = Module(new hardfloat.recodedFloatNCompare(52, 12))
dcmp.io.a := in.in1
@ -221,7 +222,8 @@ class FPToInt extends Module
val d2i = hardfloat.recodedFloatNToAny(in.in1, in.rm, ~in.cmd(1,0), 52, 12, 64)
io.out.bits.toint := Mux(in.single, Cat(Fill(32, unrec_s(31)), unrec_s), unrec_d)
io.out.bits.toint := unrec_out
io.out.bits.store := unrec_out
io.out.bits.exc := Bits(0)
when (in.cmd === FCMD_CVT_W_FMT || in.cmd === FCMD_CVT_WU_FMT) {
@ -238,7 +240,6 @@ class FPToInt extends Module
}
io.out.valid := valid
io.out.bits.store := Mux(in.single, Cat(unrec_d(63,32), unrec_s), unrec_d)
io.out.bits.lt := dcmp.io.a_lt_b
}
@ -268,7 +269,7 @@ class IntToFP(val latency: Int) extends Module
mux.exc := Bits(0)
mux.data := hardfloat.floatNToRecodedFloatN(in.bits.data, 52, 12)
when (in.bits.single) {
mux.data := hardfloat.floatNToRecodedFloatN(in.bits.data, 23, 9)
mux.data := Cat(SInt(-1, 32), hardfloat.floatNToRecodedFloatN(in.bits.data, 23, 9))
}
when (in.bits.cmd === FCMD_CVT_FMT_W || in.bits.cmd === FCMD_CVT_FMT_WU ||