[X86] Remove unnecessary STC instruction overrides

Reported by D138359

diff --git a/llvm/lib/Target/X86/X86SchedHaswell.td b/llvm/lib/Target/X86/X86SchedHaswell.td
index 2cc479b..4d010bf 100644 (file)
--- a/llvm/lib/Target/X86/X86SchedHaswell.td
+++ b/llvm/lib/Target/X86/X86SchedHaswell.td
@@ -957,8 +957,7 @@ def HWWriteResGroup10 : SchedWriteRes<[HWPort0156]> {
   let NumMicroOps = 1;
   let ResourceCycles = [1];
 }
-def: InstRW<[HWWriteResGroup10], (instrs STC,
-                                         SGDT64m,
+def: InstRW<[HWWriteResGroup10], (instrs SGDT64m,
                                          SIDT64m,
                                          SMSW16m,
                                          STRm,

diff --git a/llvm/lib/Target/X86/X86SchedIceLake.td b/llvm/lib/Target/X86/X86SchedIceLake.td
index 040d2af..a05b2f5 100644 (file)
--- a/llvm/lib/Target/X86/X86SchedIceLake.td
+++ b/llvm/lib/Target/X86/X86SchedIceLake.td
@@ -727,8 +727,7 @@ def ICXWriteResGroup10 : SchedWriteRes<[ICXPort0156]> {
   let NumMicroOps = 1;
   let ResourceCycles = [1];
 }
-def: InstRW<[ICXWriteResGroup10], (instrs STC,
-                                          SGDT64m,
+def: InstRW<[ICXWriteResGroup10], (instrs SGDT64m,
                                           SIDT64m,
                                           SMSW16m,
                                           STRm,

diff --git a/llvm/lib/Target/X86/X86SchedSkylakeClient.td b/llvm/lib/Target/X86/X86SchedSkylakeClient.td
index e6d7a46..896e0cd 100644 (file)
--- a/llvm/lib/Target/X86/X86SchedSkylakeClient.td
+++ b/llvm/lib/Target/X86/X86SchedSkylakeClient.td
@@ -689,8 +689,7 @@ def SKLWriteResGroup10 : SchedWriteRes<[SKLPort0156]> {
   let NumMicroOps = 1;
   let ResourceCycles = [1];
 }
-def: InstRW<[SKLWriteResGroup10], (instrs STC,
-                                          SGDT64m,
+def: InstRW<[SKLWriteResGroup10], (instrs SGDT64m,
                                           SIDT64m,
                                           SMSW16m,
                                           STRm,

diff --git a/llvm/lib/Target/X86/X86SchedSkylakeServer.td b/llvm/lib/Target/X86/X86SchedSkylakeServer.td
index 7d45b17..ac5a7e5 100644 (file)
--- a/llvm/lib/Target/X86/X86SchedSkylakeServer.td
+++ b/llvm/lib/Target/X86/X86SchedSkylakeServer.td
@@ -709,8 +709,7 @@ def SKXWriteResGroup10 : SchedWriteRes<[SKXPort0156]> {
   let NumMicroOps = 1;
   let ResourceCycles = [1];
 }
-def: InstRW<[SKXWriteResGroup10], (instrs STC,
-                                          SGDT64m,
+def: InstRW<[SKXWriteResGroup10], (instrs SGDT64m,
                                           SIDT64m,
                                           SMSW16m,
                                           STRm,