diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/PPC64Ops.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/PPC64Ops.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/PPC64Ops.go b/src/cmd/compile/internal/ssa/gen/PPC64Ops.go index 59d8af1a9d..d18cbcc787 100644 --- a/src/cmd/compile/internal/ssa/gen/PPC64Ops.go +++ b/src/cmd/compile/internal/ssa/gen/PPC64Ops.go @@ -11,8 +11,8 @@ import "strings" // Notes: // - Less-than-64-bit integer types live in the low portion of registers. -// For now, the upper portion is junk; sign/zero-extension might be optimized in the future, but not yet. -// - Boolean types are zero or 1; stored in a byte, but loaded with AMOVBZ so the upper bytes of a register are zero. +// The upper portion is junk. +// - Boolean types are zero or 1; stored in a byte, with upper bytes of the register containing junk. // - *const instructions may use a constant larger than the instruction can encode. // In this case the assembler expands to multiple instructions and uses tmp // register (R31). |