The 'RM' flag model the "Rounding Mode" and it has nothing to do with the load/store instructions.
Differential Revision: https://reviews.llvm.org/D69551
let Predicates = [HasVSX] in {
let AddedComplexity = 400 in { // Prefer VSX patterns over non-VSX patterns.
let hasSideEffects = 0 in { // VSX instructions don't have side effects.
-let Uses = [RM] in {
// Load indexed instructions
let mayLoad = 1, mayStore = 0 in {
}
} // mayStore
+ let Uses = [RM] in {
// Add/Mul Instructions
let isCommutable = 1 in {
def XSADDDP : XX3Form<60, 32,
--- /dev/null
+; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -verify-misched -stop-after=machine-scheduler -o - | FileCheck %s --check-prefix=CHECK-P8
+
+; Verify XFLOADf64 didn't implict def 'rm'.
+define double @rm() {
+; CHECK-P8-LABEL: bb.0.entry
+; CHECK-P8: %{{[0-9]+}}:vsfrc = XFLOADf64 $zero8, %{{[0-9]+}} ::
+entry:
+ ret double 2.300000e+00
+}