[llvm] [AArch64] Create set.fpmr intrinsic and assembly lowering (PR #114248)

via llvm-commits llvm-commits at lists.llvm.org
Tue Nov 5 06:06:24 PST 2024


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@@ -37,6 +37,20 @@ define void @set_fpsr(i64 %sr) {
   ret void
 }
 
+define dso_local void @set_fpmr(i64 %sr) {
+; CHECK-LABEL: set_fpmr:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mrs x8, FPMR
+; CHECK-NEXT:    cmp x8, x0
+; CHECK-NEXT:    b.eq .LBB4_2
+; CHECK-NEXT:  // %bb.1:
+; CHECK-NEXT:    msr FPMR, x0
----------------
Lukacma wrote:

Changed to simple msr instrucion.

https://github.com/llvm/llvm-project/pull/114248


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