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-rw-r--r--llvm/lib/Target/X86/X86ScheduleZnver1.td2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ScheduleZnver1.td b/llvm/lib/Target/X86/X86ScheduleZnver1.td
index 872577787ac..622357bc38f 100644
--- a/llvm/lib/Target/X86/X86ScheduleZnver1.td
+++ b/llvm/lib/Target/X86/X86ScheduleZnver1.td
@@ -739,7 +739,7 @@ def : InstRW<[ZnWriteFILD], (instregex "ILD_F(16|32|64)m")>;
def ZnWriteFIST : SchedWriteRes<[ZnAGU, ZnFPU23]> {
let Latency = 12;
}
-def : InstRW<[ZnWriteFIST], (instregex "IST_(F|FP)(16|32)m")>;
+def : InstRW<[ZnWriteFIST], (instregex "IS(T|TT)_(F|FP)(16|32|64)m")>;
def ZnWriteFPU13 : SchedWriteRes<[ZnAGU, ZnFPU13]> {
let Latency = 8;
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