diff options
Diffstat (limited to 'src/cmd/compile/internal/abi/abiutils.go')
| -rw-r--r-- | src/cmd/compile/internal/abi/abiutils.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/abi/abiutils.go b/src/cmd/compile/internal/abi/abiutils.go index 8549c0325d..903cc5205d 100644 --- a/src/cmd/compile/internal/abi/abiutils.go +++ b/src/cmd/compile/internal/abi/abiutils.go @@ -158,6 +158,13 @@ func (a *ABIConfig) LocalsOffset() int64 { return a.offsetForLocals } +// FloatIndexFor translates r into an index in the floating point parameter +// registers. If the result is negative, the input index was actually for the +// integer parameter registers. +func (a *ABIConfig) FloatIndexFor(r RegIndex) int64 { + return int64(r) - int64(a.regAmounts.intRegs) +} + // NumParamRegs returns the number of parameter registers used for a given type, // without regard for the number available. func (a *ABIConfig) NumParamRegs(t *types.Type) int { |