[llvm] 37aebcf - [X86] Cleanup SFENCE/MFENCE schedules
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Wed Nov 27 03:21:31 PST 2024
Author: Simon Pilgrim
Date: 2024-11-27T11:21:07Z
New Revision: 37aebcf4e60e5c913e3d99675548b3e2c631398b
URL: https://github.com/llvm/llvm-project/commit/37aebcf4e60e5c913e3d99675548b3e2c631398b
DIFF: https://github.com/llvm/llvm-project/commit/37aebcf4e60e5c913e3d99675548b3e2c631398b.diff
LOG: [X86] Cleanup SFENCE/MFENCE schedules
Remove unnecessary overrides.
UOp + Port usage confirmed by augner/uops.info
Added:
Modified:
llvm/lib/Target/X86/X86SchedBroadwell.td
llvm/lib/Target/X86/X86SchedHaswell.td
llvm/lib/Target/X86/X86SchedIceLake.td
llvm/lib/Target/X86/X86SchedSandyBridge.td
llvm/lib/Target/X86/X86SchedSkylakeClient.td
llvm/lib/Target/X86/X86SchedSkylakeServer.td
llvm/test/tools/llvm-mca/X86/Barcelona/resources-sse1.s
llvm/test/tools/llvm-mca/X86/Barcelona/resources-sse2.s
llvm/test/tools/llvm-mca/X86/Broadwell/resources-sse1.s
llvm/test/tools/llvm-mca/X86/Broadwell/resources-sse2.s
llvm/test/tools/llvm-mca/X86/Generic/resources-sse1.s
llvm/test/tools/llvm-mca/X86/Generic/resources-sse2.s
llvm/test/tools/llvm-mca/X86/Haswell/resources-sse1.s
llvm/test/tools/llvm-mca/X86/Haswell/resources-sse2.s
llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-sse1.s
llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-sse2.s
llvm/test/tools/llvm-mca/X86/SandyBridge/resources-sse1.s
llvm/test/tools/llvm-mca/X86/SandyBridge/resources-sse2.s
llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-sse1.s
llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-sse2.s
llvm/test/tools/llvm-mca/X86/SkylakeServer/resources-sse1.s
llvm/test/tools/llvm-mca/X86/SkylakeServer/resources-sse2.s
llvm/test/tools/llvm-mca/X86/barrier_output.s
Removed:
################################################################################
diff --git a/llvm/lib/Target/X86/X86SchedBroadwell.td b/llvm/lib/Target/X86/X86SchedBroadwell.td
index 595dfbf051b86a..42be81181c656d 100644
--- a/llvm/lib/Target/X86/X86SchedBroadwell.td
+++ b/llvm/lib/Target/X86/X86SchedBroadwell.td
@@ -615,7 +615,7 @@ def : WriteRes<WriteSystem, [BWPort0156]> { let Latency = 100; }
def : WriteRes<WriteMicrocoded, [BWPort0156]> { let Latency = 100; }
// Fence instructions.
-def : WriteRes<WriteFence, [BWPort23, BWPort4]>;
+def : WriteRes<WriteFence, [BWPort23, BWPort4]> { let NumMicroOps = 2; let ReleaseAtCycles = [1,1]; }
// Nop, not very useful expect it provides a model for nops!
def : WriteRes<WriteNop, []>;
@@ -722,7 +722,6 @@ def BWWriteResGroup14 : SchedWriteRes<[BWPort0156]> {
let ReleaseAtCycles = [2];
}
def: InstRW<[BWWriteResGroup14], (instrs LFENCE,
- MFENCE,
WAIT,
XGETBV)>;
@@ -740,13 +739,6 @@ def BWWriteResGroup17 : SchedWriteRes<[BWPort01,BWPort015]> {
}
def: InstRW<[BWWriteResGroup17], (instrs MMX_MOVDQ2Qrr)>;
-def BWWriteResGroup18 : SchedWriteRes<[BWPort237,BWPort0156]> {
- let Latency = 2;
- let NumMicroOps = 2;
- let ReleaseAtCycles = [1,1];
-}
-def: InstRW<[BWWriteResGroup18], (instrs SFENCE)>;
-
def BWWriteResGroup20 : SchedWriteRes<[BWPort06,BWPort0156]> {
let Latency = 2;
let NumMicroOps = 2;
diff --git a/llvm/lib/Target/X86/X86SchedHaswell.td b/llvm/lib/Target/X86/X86SchedHaswell.td
index e4faa836762fd0..8aa9104edfcb74 100644
--- a/llvm/lib/Target/X86/X86SchedHaswell.td
+++ b/llvm/lib/Target/X86/X86SchedHaswell.td
@@ -627,7 +627,7 @@ def : WriteRes<WriteSystem, [HWPort0156]> { let Latency = 100; }
def : WriteRes<WriteMicrocoded, [HWPort0156]> { let Latency = 100; }
// Fence instructions.
-def : WriteRes<WriteFence, [HWPort23, HWPort4]>;
+def : WriteRes<WriteFence, [HWPort23, HWPort4]> { let NumMicroOps = 2; let ReleaseAtCycles = [1,1]; }
// Nop, not very useful expect it provides a model for nops!
def : WriteRes<WriteNop, []>;
@@ -1054,13 +1054,6 @@ def HWWriteResGroup18 : SchedWriteRes<[HWPort23,HWPort0156]> {
def: InstRW<[HWWriteResGroup18], (instrs POP16r, POP32r, POP64r)>;
def: InstRW<[HWWriteResGroup18], (instregex "POP(16|32|64)rmr")>;
-def HWWriteResGroup19 : SchedWriteRes<[HWPort237,HWPort0156]> {
- let Latency = 2;
- let NumMicroOps = 2;
- let ReleaseAtCycles = [1,1];
-}
-def: InstRW<[HWWriteResGroup19], (instrs SFENCE)>;
-
def HWWriteResGroup21 : SchedWriteRes<[HWPort4,HWPort6,HWPort237]> {
let Latency = 2;
let NumMicroOps = 3;
@@ -1121,7 +1114,6 @@ def HWWriteResGroup30 : SchedWriteRes<[HWPort0156]> {
let ReleaseAtCycles = [2];
}
def: InstRW<[HWWriteResGroup30], (instrs LFENCE,
- MFENCE,
WAIT,
XGETBV)>;
diff --git a/llvm/lib/Target/X86/X86SchedIceLake.td b/llvm/lib/Target/X86/X86SchedIceLake.td
index 9d6368f19607bc..60e14ae593f87f 100644
--- a/llvm/lib/Target/X86/X86SchedIceLake.td
+++ b/llvm/lib/Target/X86/X86SchedIceLake.td
@@ -607,7 +607,7 @@ defm : ICXWriteResPair<WriteVarShuffle256, [ICXPort5], 3, [1], 1, 7>; // 256-bi
def : WriteRes<WriteMicrocoded, [ICXPort0156]> { let Latency = 100; } // def WriteMicrocoded : SchedWrite;
// Fence instructions.
-def : WriteRes<WriteFence, [ICXPort78, ICXPort49]>;
+def : WriteRes<WriteFence, [ICXPort78, ICXPort49]> { let NumMicroOps = 2; let ReleaseAtCycles = [1,1]; }
// Load/store MXCSR.
def : WriteRes<WriteLDMXCSR, [ICXPort0,ICXPort23,ICXPort0156]> { let Latency = 7; let NumMicroOps = 3; let ReleaseAtCycles = [1,1,1]; }
@@ -771,13 +771,6 @@ def ICXWriteResGroup20 : SchedWriteRes<[ICXPort6,ICXPort0156]> {
}
def: InstRW<[ICXWriteResGroup20], (instregex "CLFLUSH")>;
-def ICXWriteResGroup21 : SchedWriteRes<[ICXPort49,ICXPort78]> {
- let Latency = 2;
- let NumMicroOps = 2;
- let ReleaseAtCycles = [1,1];
-}
-def: InstRW<[ICXWriteResGroup21], (instrs SFENCE)>;
-
def ICXWriteResGroup23 : SchedWriteRes<[ICXPort06,ICXPort0156]> {
let Latency = 2;
let NumMicroOps = 2;
@@ -916,13 +909,6 @@ def ICXWriteResGroup42 : SchedWriteRes<[ICXPort6,ICXPort0156]> {
}
def: InstRW<[ICXWriteResGroup42], (instregex "CLD")>;
-def ICXWriteResGroup43 : SchedWriteRes<[ICXPort49,ICXPort78]> {
- let Latency = 3;
- let NumMicroOps = 3;
- let ReleaseAtCycles = [1,2];
-}
-def: InstRW<[ICXWriteResGroup43], (instrs MFENCE)>;
-
def ICXWriteResGroup44 : SchedWriteRes<[ICXPort06,ICXPort0156]> {
let Latency = 2;
let NumMicroOps = 3;
diff --git a/llvm/lib/Target/X86/X86SchedSandyBridge.td b/llvm/lib/Target/X86/X86SchedSandyBridge.td
index 775ad6b1078a53..560a2b12cc221b 100644
--- a/llvm/lib/Target/X86/X86SchedSandyBridge.td
+++ b/llvm/lib/Target/X86/X86SchedSandyBridge.td
@@ -588,7 +588,7 @@ def : WriteRes<WriteSTMXCSR, [SBPort0,SBPort4,SBPort5,SBPort23]> { let Latency =
def : WriteRes<WriteSystem, [SBPort015]> { let Latency = 100; }
def : WriteRes<WriteMicrocoded, [SBPort015]> { let Latency = 100; }
-def : WriteRes<WriteFence, [SBPort23, SBPort4]>;
+def : WriteRes<WriteFence, [SBPort23, SBPort4]> { let NumMicroOps = 2; let ReleaseAtCycles = [1,1]; }
def : WriteRes<WriteNop, []>;
// AVX2/FMA is not supported on that architecture, but we should define the basic
diff --git a/llvm/lib/Target/X86/X86SchedSkylakeClient.td b/llvm/lib/Target/X86/X86SchedSkylakeClient.td
index e4e833c8f752c0..8cd52e2a8ebc98 100644
--- a/llvm/lib/Target/X86/X86SchedSkylakeClient.td
+++ b/llvm/lib/Target/X86/X86SchedSkylakeClient.td
@@ -608,7 +608,7 @@ defm : SKLWriteResPair<WriteVarShuffle256, [SKLPort5], 3, [1], 1, 7>; // 256-bi
def : WriteRes<WriteMicrocoded, [SKLPort0156]> { let Latency = 100; } // def WriteMicrocoded : SchedWrite;
// Fence instructions.
-def : WriteRes<WriteFence, [SKLPort23, SKLPort4]>;
+def : WriteRes<WriteFence, [SKLPort23, SKLPort4]> { let NumMicroOps = 2; let ReleaseAtCycles = [1,1]; }
// Load/store MXCSR.
def : WriteRes<WriteLDMXCSR, [SKLPort0,SKLPort23,SKLPort0156]> { let Latency = 7; let NumMicroOps = 3; let ReleaseAtCycles = [1,1,1]; }
@@ -738,13 +738,6 @@ def SKLWriteResGroup20 : SchedWriteRes<[SKLPort6,SKLPort0156]> {
}
def: InstRW<[SKLWriteResGroup20], (instregex "CLFLUSH")>;
-def SKLWriteResGroup21 : SchedWriteRes<[SKLPort237,SKLPort0156]> {
- let Latency = 2;
- let NumMicroOps = 2;
- let ReleaseAtCycles = [1,1];
-}
-def: InstRW<[SKLWriteResGroup21], (instrs SFENCE)>;
-
def SKLWriteResGroup23 : SchedWriteRes<[SKLPort06,SKLPort0156]> {
let Latency = 2;
let NumMicroOps = 2;
@@ -834,13 +827,6 @@ def SKLWriteResGroup40 : SchedWriteRes<[SKLPort6,SKLPort0156]> {
}
def: InstRW<[SKLWriteResGroup40], (instregex "CLD")>;
-def SKLWriteResGroup41 : SchedWriteRes<[SKLPort237,SKLPort0156]> {
- let Latency = 3;
- let NumMicroOps = 3;
- let ReleaseAtCycles = [1,2];
-}
-def: InstRW<[SKLWriteResGroup41], (instrs MFENCE)>;
-
def SKLWriteResGroup42 : SchedWriteRes<[SKLPort06,SKLPort0156]> {
let Latency = 2;
let NumMicroOps = 3;
diff --git a/llvm/lib/Target/X86/X86SchedSkylakeServer.td b/llvm/lib/Target/X86/X86SchedSkylakeServer.td
index 62cc4a9ea290cf..14a51d1ed9ce6e 100644
--- a/llvm/lib/Target/X86/X86SchedSkylakeServer.td
+++ b/llvm/lib/Target/X86/X86SchedSkylakeServer.td
@@ -602,7 +602,7 @@ defm : SKXWriteResPair<WriteVarShuffle256, [SKXPort5], 3, [1], 1, 7>; // 256-bi
def : WriteRes<WriteMicrocoded, [SKXPort0156]> { let Latency = 100; } // def WriteMicrocoded : SchedWrite;
// Fence instructions.
-def : WriteRes<WriteFence, [SKXPort23, SKXPort4]>;
+def : WriteRes<WriteFence, [SKXPort23, SKXPort4]> { let NumMicroOps = 2; let ReleaseAtCycles = [1,1]; }
// Load/store MXCSR.
def : WriteRes<WriteLDMXCSR, [SKXPort0,SKXPort23,SKXPort0156]> { let Latency = 7; let NumMicroOps = 3; let ReleaseAtCycles = [1,1,1]; }
@@ -757,13 +757,6 @@ def SKXWriteResGroup20 : SchedWriteRes<[SKXPort6,SKXPort0156]> {
}
def: InstRW<[SKXWriteResGroup20], (instregex "CLFLUSH")>;
-def SKXWriteResGroup21 : SchedWriteRes<[SKXPort237,SKXPort0156]> {
- let Latency = 2;
- let NumMicroOps = 2;
- let ReleaseAtCycles = [1,1];
-}
-def: InstRW<[SKXWriteResGroup21], (instrs SFENCE)>;
-
def SKXWriteResGroup23 : SchedWriteRes<[SKXPort06,SKXPort0156]> {
let Latency = 2;
let NumMicroOps = 2;
@@ -894,13 +887,6 @@ def SKXWriteResGroup42 : SchedWriteRes<[SKXPort6,SKXPort0156]> {
}
def: InstRW<[SKXWriteResGroup42], (instregex "CLD")>;
-def SKXWriteResGroup43 : SchedWriteRes<[SKXPort237,SKXPort0156]> {
- let Latency = 3;
- let NumMicroOps = 3;
- let ReleaseAtCycles = [1,2];
-}
-def: InstRW<[SKXWriteResGroup43], (instrs MFENCE)>;
-
def SKXWriteResGroup44 : SchedWriteRes<[SKXPort06,SKXPort0156]> {
let Latency = 2;
let NumMicroOps = 3;
diff --git a/llvm/test/tools/llvm-mca/X86/Barcelona/resources-sse1.s b/llvm/test/tools/llvm-mca/X86/Barcelona/resources-sse1.s
index 291b8cd43cb4ed..344a0d28e11d60 100644
--- a/llvm/test/tools/llvm-mca/X86/Barcelona/resources-sse1.s
+++ b/llvm/test/tools/llvm-mca/X86/Barcelona/resources-sse1.s
@@ -298,7 +298,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: 2 11 1.00 * rsqrtps (%rax), %xmm2
# CHECK-NEXT: 1 5 1.00 rsqrtss %xmm0, %xmm2
# CHECK-NEXT: 2 11 1.00 * rsqrtss (%rax), %xmm2
-# CHECK-NEXT: 1 1 1.00 * * U sfence
+# CHECK-NEXT: 2 1 1.00 * * U sfence
# CHECK-NEXT: 1 1 1.00 shufps $1, %xmm0, %xmm2
# CHECK-NEXT: 2 7 1.00 * shufps $1, (%rax), %xmm2
# CHECK-NEXT: 1 14 14.00 sqrtps %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/Barcelona/resources-sse2.s b/llvm/test/tools/llvm-mca/X86/Barcelona/resources-sse2.s
index 25f79397fa071d..dffd6b2ae4f50e 100644
--- a/llvm/test/tools/llvm-mca/X86/Barcelona/resources-sse2.s
+++ b/llvm/test/tools/llvm-mca/X86/Barcelona/resources-sse2.s
@@ -464,13 +464,13 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: 2 28 22.00 * divpd (%rax), %xmm2
# CHECK-NEXT: 1 22 22.00 divsd %xmm0, %xmm2
# CHECK-NEXT: 2 28 22.00 * divsd (%rax), %xmm2
-# CHECK-NEXT: 1 1 1.00 * * U lfence
+# CHECK-NEXT: 2 1 1.00 * * U lfence
# CHECK-NEXT: 1 1 1.00 * * U maskmovdqu %xmm0, %xmm1
# CHECK-NEXT: 1 3 1.00 maxpd %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * maxpd (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 maxsd %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * maxsd (%rax), %xmm2
-# CHECK-NEXT: 1 1 1.00 * * U mfence
+# CHECK-NEXT: 2 1 1.00 * * U mfence
# CHECK-NEXT: 1 3 1.00 minpd %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * minpd (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 minsd %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/Broadwell/resources-sse1.s b/llvm/test/tools/llvm-mca/X86/Broadwell/resources-sse1.s
index c7b5864b2cbe84..3b3bb6d5ba4a75 100644
--- a/llvm/test/tools/llvm-mca/X86/Broadwell/resources-sse1.s
+++ b/llvm/test/tools/llvm-mca/X86/Broadwell/resources-sse1.s
@@ -298,7 +298,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: 2 10 1.00 * rsqrtps (%rax), %xmm2
# CHECK-NEXT: 1 5 1.00 rsqrtss %xmm0, %xmm2
# CHECK-NEXT: 2 10 1.00 * rsqrtss (%rax), %xmm2
-# CHECK-NEXT: 2 2 0.33 * * U sfence
+# CHECK-NEXT: 2 1 1.00 * * U sfence
# CHECK-NEXT: 1 1 1.00 shufps $1, %xmm0, %xmm2
# CHECK-NEXT: 2 6 1.00 * shufps $1, (%rax), %xmm2
# CHECK-NEXT: 1 11 7.00 sqrtps %xmm0, %xmm2
@@ -333,7 +333,7 @@ xorps (%rax), %xmm2
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
-# CHECK-NEXT: - 43.00 34.50 50.50 32.00 32.00 8.00 40.50 0.50 3.00
+# CHECK-NEXT: - 43.00 34.25 50.25 32.17 32.17 9.00 40.25 0.25 2.67
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@@ -441,7 +441,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - rsqrtps (%rax), %xmm2
# CHECK-NEXT: - - 1.00 - - - - - - - rsqrtss %xmm0, %xmm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - rsqrtss (%rax), %xmm2
-# CHECK-NEXT: - - 0.25 0.25 0.33 0.33 - 0.25 0.25 0.33 sfence
+# CHECK-NEXT: - - - - 0.50 0.50 1.00 - - - sfence
# CHECK-NEXT: - - - - - - - 1.00 - - shufps $1, %xmm0, %xmm2
# CHECK-NEXT: - - - - 0.50 0.50 - 1.00 - - shufps $1, (%rax), %xmm2
# CHECK-NEXT: - 7.00 1.00 - - - - - - - sqrtps %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/Broadwell/resources-sse2.s b/llvm/test/tools/llvm-mca/X86/Broadwell/resources-sse2.s
index 8851be4679a1e9..9c2472686f3d2b 100644
--- a/llvm/test/tools/llvm-mca/X86/Broadwell/resources-sse2.s
+++ b/llvm/test/tools/llvm-mca/X86/Broadwell/resources-sse2.s
@@ -470,7 +470,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: 2 8 1.00 * maxpd (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 maxsd %xmm0, %xmm2
# CHECK-NEXT: 2 8 1.00 * maxsd (%rax), %xmm2
-# CHECK-NEXT: 2 2 0.50 * * U mfence
+# CHECK-NEXT: 2 1 1.00 * * U mfence
# CHECK-NEXT: 1 3 1.00 minpd %xmm0, %xmm2
# CHECK-NEXT: 2 8 1.00 * minpd (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 minsd %xmm0, %xmm2
@@ -689,7 +689,7 @@ xorpd (%rax), %xmm2
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
-# CHECK-NEXT: - 78.00 70.75 95.75 63.17 63.17 14.00 117.25 2.25 4.67
+# CHECK-NEXT: - 78.00 70.25 95.25 63.67 63.67 15.00 116.75 1.75 4.67
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@@ -756,7 +756,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: - - - 1.00 0.50 0.50 - - - - maxpd (%rax), %xmm2
# CHECK-NEXT: - - - 1.00 - - - - - - maxsd %xmm0, %xmm2
# CHECK-NEXT: - - - 1.00 0.50 0.50 - - - - maxsd (%rax), %xmm2
-# CHECK-NEXT: - - 0.50 0.50 - - - 0.50 0.50 - mfence
+# CHECK-NEXT: - - - - 0.50 0.50 1.00 - - - mfence
# CHECK-NEXT: - - - 1.00 - - - - - - minpd %xmm0, %xmm2
# CHECK-NEXT: - - - 1.00 0.50 0.50 - - - - minpd (%rax), %xmm2
# CHECK-NEXT: - - - 1.00 - - - - - - minsd %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/Generic/resources-sse1.s b/llvm/test/tools/llvm-mca/X86/Generic/resources-sse1.s
index 291b8cd43cb4ed..344a0d28e11d60 100644
--- a/llvm/test/tools/llvm-mca/X86/Generic/resources-sse1.s
+++ b/llvm/test/tools/llvm-mca/X86/Generic/resources-sse1.s
@@ -298,7 +298,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: 2 11 1.00 * rsqrtps (%rax), %xmm2
# CHECK-NEXT: 1 5 1.00 rsqrtss %xmm0, %xmm2
# CHECK-NEXT: 2 11 1.00 * rsqrtss (%rax), %xmm2
-# CHECK-NEXT: 1 1 1.00 * * U sfence
+# CHECK-NEXT: 2 1 1.00 * * U sfence
# CHECK-NEXT: 1 1 1.00 shufps $1, %xmm0, %xmm2
# CHECK-NEXT: 2 7 1.00 * shufps $1, (%rax), %xmm2
# CHECK-NEXT: 1 14 14.00 sqrtps %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/Generic/resources-sse2.s b/llvm/test/tools/llvm-mca/X86/Generic/resources-sse2.s
index 25f79397fa071d..dffd6b2ae4f50e 100644
--- a/llvm/test/tools/llvm-mca/X86/Generic/resources-sse2.s
+++ b/llvm/test/tools/llvm-mca/X86/Generic/resources-sse2.s
@@ -464,13 +464,13 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: 2 28 22.00 * divpd (%rax), %xmm2
# CHECK-NEXT: 1 22 22.00 divsd %xmm0, %xmm2
# CHECK-NEXT: 2 28 22.00 * divsd (%rax), %xmm2
-# CHECK-NEXT: 1 1 1.00 * * U lfence
+# CHECK-NEXT: 2 1 1.00 * * U lfence
# CHECK-NEXT: 1 1 1.00 * * U maskmovdqu %xmm0, %xmm1
# CHECK-NEXT: 1 3 1.00 maxpd %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * maxpd (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 maxsd %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * maxsd (%rax), %xmm2
-# CHECK-NEXT: 1 1 1.00 * * U mfence
+# CHECK-NEXT: 2 1 1.00 * * U mfence
# CHECK-NEXT: 1 3 1.00 minpd %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * minpd (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 minsd %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/Haswell/resources-sse1.s b/llvm/test/tools/llvm-mca/X86/Haswell/resources-sse1.s
index 37a28a66fd3506..c840782d56bc09 100644
--- a/llvm/test/tools/llvm-mca/X86/Haswell/resources-sse1.s
+++ b/llvm/test/tools/llvm-mca/X86/Haswell/resources-sse1.s
@@ -298,7 +298,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: 2 11 1.00 * rsqrtps (%rax), %xmm2
# CHECK-NEXT: 1 5 1.00 rsqrtss %xmm0, %xmm2
# CHECK-NEXT: 2 10 1.00 * rsqrtss (%rax), %xmm2
-# CHECK-NEXT: 2 2 0.33 * * U sfence
+# CHECK-NEXT: 2 1 1.00 * * U sfence
# CHECK-NEXT: 1 1 1.00 shufps $1, %xmm0, %xmm2
# CHECK-NEXT: 2 7 1.00 * shufps $1, (%rax), %xmm2
# CHECK-NEXT: 1 11 7.00 sqrtps %xmm0, %xmm2
@@ -333,7 +333,7 @@ xorps (%rax), %xmm2
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
-# CHECK-NEXT: - 56.00 34.50 50.50 32.00 32.00 8.00 40.50 0.50 3.00
+# CHECK-NEXT: - 56.00 34.25 50.25 32.17 32.17 9.00 40.25 0.25 2.67
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@@ -441,7 +441,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - rsqrtps (%rax), %xmm2
# CHECK-NEXT: - - 1.00 - - - - - - - rsqrtss %xmm0, %xmm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - rsqrtss (%rax), %xmm2
-# CHECK-NEXT: - - 0.25 0.25 0.33 0.33 - 0.25 0.25 0.33 sfence
+# CHECK-NEXT: - - - - 0.50 0.50 1.00 - - - sfence
# CHECK-NEXT: - - - - - - - 1.00 - - shufps $1, %xmm0, %xmm2
# CHECK-NEXT: - - - - 0.50 0.50 - 1.00 - - shufps $1, (%rax), %xmm2
# CHECK-NEXT: - 7.00 1.00 - - - - - - - sqrtps %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/Haswell/resources-sse2.s b/llvm/test/tools/llvm-mca/X86/Haswell/resources-sse2.s
index c9c3e20eeadedd..4a41a797602f1a 100644
--- a/llvm/test/tools/llvm-mca/X86/Haswell/resources-sse2.s
+++ b/llvm/test/tools/llvm-mca/X86/Haswell/resources-sse2.s
@@ -470,7 +470,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: 2 9 1.00 * maxpd (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 maxsd %xmm0, %xmm2
# CHECK-NEXT: 2 8 1.00 * maxsd (%rax), %xmm2
-# CHECK-NEXT: 2 2 0.50 * * U mfence
+# CHECK-NEXT: 2 1 1.00 * * U mfence
# CHECK-NEXT: 1 3 1.00 minpd %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * minpd (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 minsd %xmm0, %xmm2
@@ -689,7 +689,7 @@ xorpd (%rax), %xmm2
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
-# CHECK-NEXT: - 112.00 70.75 95.75 63.17 63.17 14.00 117.25 2.25 4.67
+# CHECK-NEXT: - 112.00 70.25 95.25 63.67 63.67 15.00 116.75 1.75 4.67
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@@ -756,7 +756,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: - - - 1.00 0.50 0.50 - - - - maxpd (%rax), %xmm2
# CHECK-NEXT: - - - 1.00 - - - - - - maxsd %xmm0, %xmm2
# CHECK-NEXT: - - - 1.00 0.50 0.50 - - - - maxsd (%rax), %xmm2
-# CHECK-NEXT: - - 0.50 0.50 - - - 0.50 0.50 - mfence
+# CHECK-NEXT: - - - - 0.50 0.50 1.00 - - - mfence
# CHECK-NEXT: - - - 1.00 - - - - - - minpd %xmm0, %xmm2
# CHECK-NEXT: - - - 1.00 0.50 0.50 - - - - minpd (%rax), %xmm2
# CHECK-NEXT: - - - 1.00 - - - - - - minsd %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-sse1.s b/llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-sse1.s
index 01e579493b4ff9..840f325494bd10 100644
--- a/llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-sse1.s
+++ b/llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-sse1.s
@@ -298,7 +298,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: 2 10 1.00 * rsqrtps (%rax), %xmm2
# CHECK-NEXT: 1 4 1.00 rsqrtss %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * rsqrtss (%rax), %xmm2
-# CHECK-NEXT: 2 2 0.50 * * U sfence
+# CHECK-NEXT: 2 1 0.50 * * U sfence
# CHECK-NEXT: 1 1 0.50 shufps $1, %xmm0, %xmm2
# CHECK-NEXT: 2 7 0.50 * shufps $1, (%rax), %xmm2
# CHECK-NEXT: 1 12 3.00 sqrtps %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-sse2.s b/llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-sse2.s
index 88d1882af8b59e..6f60cfd1b9fefb 100644
--- a/llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-sse2.s
+++ b/llvm/test/tools/llvm-mca/X86/IceLakeServer/resources-sse2.s
@@ -470,7 +470,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: 2 10 0.50 * maxpd (%rax), %xmm2
# CHECK-NEXT: 1 4 0.50 maxsd %xmm0, %xmm2
# CHECK-NEXT: 2 9 0.50 * maxsd (%rax), %xmm2
-# CHECK-NEXT: 3 3 1.00 * * U mfence
+# CHECK-NEXT: 2 1 0.50 * * U mfence
# CHECK-NEXT: 1 4 0.50 minpd %xmm0, %xmm2
# CHECK-NEXT: 2 10 0.50 * minpd (%rax), %xmm2
# CHECK-NEXT: 1 4 0.50 minsd %xmm0, %xmm2
@@ -691,7 +691,7 @@ xorpd (%rax), %xmm2
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11]
-# CHECK-NEXT: - 40.00 106.92 103.42 58.50 58.50 7.50 71.92 1.75 8.00 8.00 7.50
+# CHECK-NEXT: - 40.00 106.92 103.42 58.50 58.50 7.50 71.92 1.75 7.50 7.50 7.50
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] Instructions:
@@ -758,7 +758,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: - - 0.50 0.50 0.50 0.50 - - - - - - maxpd (%rax), %xmm2
# CHECK-NEXT: - - 0.50 0.50 - - - - - - - - maxsd %xmm0, %xmm2
# CHECK-NEXT: - - 0.50 0.50 0.50 0.50 - - - - - - maxsd (%rax), %xmm2
-# CHECK-NEXT: - - - - - - 0.50 - - 1.00 1.00 0.50 mfence
+# CHECK-NEXT: - - - - - - 0.50 - - 0.50 0.50 0.50 mfence
# CHECK-NEXT: - - 0.50 0.50 - - - - - - - - minpd %xmm0, %xmm2
# CHECK-NEXT: - - 0.50 0.50 0.50 0.50 - - - - - - minpd (%rax), %xmm2
# CHECK-NEXT: - - 0.50 0.50 - - - - - - - - minsd %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/SandyBridge/resources-sse1.s b/llvm/test/tools/llvm-mca/X86/SandyBridge/resources-sse1.s
index 02b5810cda4179..02bfa445e58846 100644
--- a/llvm/test/tools/llvm-mca/X86/SandyBridge/resources-sse1.s
+++ b/llvm/test/tools/llvm-mca/X86/SandyBridge/resources-sse1.s
@@ -298,7 +298,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: 2 11 1.00 * rsqrtps (%rax), %xmm2
# CHECK-NEXT: 1 5 1.00 rsqrtss %xmm0, %xmm2
# CHECK-NEXT: 2 11 1.00 * rsqrtss (%rax), %xmm2
-# CHECK-NEXT: 1 1 1.00 * * U sfence
+# CHECK-NEXT: 2 1 1.00 * * U sfence
# CHECK-NEXT: 1 1 1.00 shufps $1, %xmm0, %xmm2
# CHECK-NEXT: 2 7 1.00 * shufps $1, (%rax), %xmm2
# CHECK-NEXT: 1 14 14.00 sqrtps %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/SandyBridge/resources-sse2.s b/llvm/test/tools/llvm-mca/X86/SandyBridge/resources-sse2.s
index ff0f22bec1402c..7d4332f8d8d33a 100644
--- a/llvm/test/tools/llvm-mca/X86/SandyBridge/resources-sse2.s
+++ b/llvm/test/tools/llvm-mca/X86/SandyBridge/resources-sse2.s
@@ -464,13 +464,13 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: 2 28 22.00 * divpd (%rax), %xmm2
# CHECK-NEXT: 1 22 22.00 divsd %xmm0, %xmm2
# CHECK-NEXT: 2 28 22.00 * divsd (%rax), %xmm2
-# CHECK-NEXT: 1 1 1.00 * * U lfence
+# CHECK-NEXT: 2 1 1.00 * * U lfence
# CHECK-NEXT: 1 1 1.00 * * U maskmovdqu %xmm0, %xmm1
# CHECK-NEXT: 1 3 1.00 maxpd %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * maxpd (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 maxsd %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * maxsd (%rax), %xmm2
-# CHECK-NEXT: 1 1 1.00 * * U mfence
+# CHECK-NEXT: 2 1 1.00 * * U mfence
# CHECK-NEXT: 1 3 1.00 minpd %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * minpd (%rax), %xmm2
# CHECK-NEXT: 1 3 1.00 minsd %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-sse1.s b/llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-sse1.s
index 142006c3c3d384..a3f31338ebcdcb 100644
--- a/llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-sse1.s
+++ b/llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-sse1.s
@@ -298,7 +298,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: 2 10 1.00 * rsqrtps (%rax), %xmm2
# CHECK-NEXT: 1 4 1.00 rsqrtss %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * rsqrtss (%rax), %xmm2
-# CHECK-NEXT: 2 2 0.33 * * U sfence
+# CHECK-NEXT: 2 1 1.00 * * U sfence
# CHECK-NEXT: 1 1 1.00 shufps $1, %xmm0, %xmm2
# CHECK-NEXT: 2 7 1.00 * shufps $1, (%rax), %xmm2
# CHECK-NEXT: 1 12 3.00 sqrtps %xmm0, %xmm2
@@ -333,7 +333,7 @@ xorps (%rax), %xmm2
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
-# CHECK-NEXT: - 24.00 73.33 23.33 32.00 32.00 8.00 31.83 0.50 3.00
+# CHECK-NEXT: - 24.00 73.08 23.08 32.17 32.17 9.00 31.58 0.25 2.67
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@@ -441,7 +441,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - rsqrtps (%rax), %xmm2
# CHECK-NEXT: - - 1.00 - - - - - - - rsqrtss %xmm0, %xmm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - rsqrtss (%rax), %xmm2
-# CHECK-NEXT: - - 0.25 0.25 0.33 0.33 - 0.25 0.25 0.33 sfence
+# CHECK-NEXT: - - - - 0.50 0.50 1.00 - - - sfence
# CHECK-NEXT: - - - - - - - 1.00 - - shufps $1, %xmm0, %xmm2
# CHECK-NEXT: - - - - 0.50 0.50 - 1.00 - - shufps $1, (%rax), %xmm2
# CHECK-NEXT: - 3.00 1.00 - - - - - - - sqrtps %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-sse2.s b/llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-sse2.s
index b527c1cda3a8fc..f7b5d426c89b35 100644
--- a/llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-sse2.s
+++ b/llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-sse2.s
@@ -470,7 +470,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: 2 10 0.50 * maxpd (%rax), %xmm2
# CHECK-NEXT: 1 4 0.50 maxsd %xmm0, %xmm2
# CHECK-NEXT: 2 9 0.50 * maxsd (%rax), %xmm2
-# CHECK-NEXT: 3 3 0.50 * * U mfence
+# CHECK-NEXT: 2 1 1.00 * * U mfence
# CHECK-NEXT: 1 4 0.50 minpd %xmm0, %xmm2
# CHECK-NEXT: 2 10 0.50 * minpd (%rax), %xmm2
# CHECK-NEXT: 1 4 0.50 minsd %xmm0, %xmm2
@@ -689,7 +689,7 @@ xorpd (%rax), %xmm2
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
-# CHECK-NEXT: - 40.00 111.58 81.58 63.50 63.50 14.00 91.58 2.25 5.00
+# CHECK-NEXT: - 40.00 111.08 81.08 63.67 63.67 15.00 91.08 1.75 4.67
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@@ -756,7 +756,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: - - 0.50 0.50 0.50 0.50 - - - - maxpd (%rax), %xmm2
# CHECK-NEXT: - - 0.50 0.50 - - - - - - maxsd %xmm0, %xmm2
# CHECK-NEXT: - - 0.50 0.50 0.50 0.50 - - - - maxsd (%rax), %xmm2
-# CHECK-NEXT: - - 0.50 0.50 0.33 0.33 - 0.50 0.50 0.33 mfence
+# CHECK-NEXT: - - - - 0.50 0.50 1.00 - - - mfence
# CHECK-NEXT: - - 0.50 0.50 - - - - - - minpd %xmm0, %xmm2
# CHECK-NEXT: - - 0.50 0.50 0.50 0.50 - - - - minpd (%rax), %xmm2
# CHECK-NEXT: - - 0.50 0.50 - - - - - - minsd %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/SkylakeServer/resources-sse1.s b/llvm/test/tools/llvm-mca/X86/SkylakeServer/resources-sse1.s
index 3d209467e7780d..671f0d18a0f0f3 100644
--- a/llvm/test/tools/llvm-mca/X86/SkylakeServer/resources-sse1.s
+++ b/llvm/test/tools/llvm-mca/X86/SkylakeServer/resources-sse1.s
@@ -298,7 +298,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: 2 10 1.00 * rsqrtps (%rax), %xmm2
# CHECK-NEXT: 1 4 1.00 rsqrtss %xmm0, %xmm2
# CHECK-NEXT: 2 9 1.00 * rsqrtss (%rax), %xmm2
-# CHECK-NEXT: 2 2 0.33 * * U sfence
+# CHECK-NEXT: 2 1 1.00 * * U sfence
# CHECK-NEXT: 1 1 1.00 shufps $1, %xmm0, %xmm2
# CHECK-NEXT: 2 7 1.00 * shufps $1, (%rax), %xmm2
# CHECK-NEXT: 1 12 3.00 sqrtps %xmm0, %xmm2
@@ -333,7 +333,7 @@ xorps (%rax), %xmm2
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
-# CHECK-NEXT: - 24.00 66.83 27.83 32.00 32.00 8.00 33.83 0.50 3.00
+# CHECK-NEXT: - 24.00 66.58 27.58 32.17 32.17 9.00 33.58 0.25 2.67
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@@ -441,7 +441,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - rsqrtps (%rax), %xmm2
# CHECK-NEXT: - - 1.00 - - - - - - - rsqrtss %xmm0, %xmm2
# CHECK-NEXT: - - 1.00 - 0.50 0.50 - - - - rsqrtss (%rax), %xmm2
-# CHECK-NEXT: - - 0.25 0.25 0.33 0.33 - 0.25 0.25 0.33 sfence
+# CHECK-NEXT: - - - - 0.50 0.50 1.00 - - - sfence
# CHECK-NEXT: - - - - - - - 1.00 - - shufps $1, %xmm0, %xmm2
# CHECK-NEXT: - - - - 0.50 0.50 - 1.00 - - shufps $1, (%rax), %xmm2
# CHECK-NEXT: - 3.00 1.00 - - - - - - - sqrtps %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/SkylakeServer/resources-sse2.s b/llvm/test/tools/llvm-mca/X86/SkylakeServer/resources-sse2.s
index 3a487257b046e0..9a41c1b4bab6c0 100644
--- a/llvm/test/tools/llvm-mca/X86/SkylakeServer/resources-sse2.s
+++ b/llvm/test/tools/llvm-mca/X86/SkylakeServer/resources-sse2.s
@@ -470,7 +470,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: 2 10 0.50 * maxpd (%rax), %xmm2
# CHECK-NEXT: 1 4 0.50 maxsd %xmm0, %xmm2
# CHECK-NEXT: 2 9 0.50 * maxsd (%rax), %xmm2
-# CHECK-NEXT: 3 3 0.50 * * U mfence
+# CHECK-NEXT: 2 1 1.00 * * U mfence
# CHECK-NEXT: 1 4 0.50 minpd %xmm0, %xmm2
# CHECK-NEXT: 2 10 0.50 * minpd (%rax), %xmm2
# CHECK-NEXT: 1 4 0.50 minsd %xmm0, %xmm2
@@ -689,7 +689,7 @@ xorpd (%rax), %xmm2
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
-# CHECK-NEXT: - 40.00 107.08 86.08 63.50 63.50 14.00 90.58 2.25 5.00
+# CHECK-NEXT: - 40.00 106.58 85.58 63.67 63.67 15.00 90.08 1.75 4.67
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@@ -756,7 +756,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: - - 0.50 0.50 0.50 0.50 - - - - maxpd (%rax), %xmm2
# CHECK-NEXT: - - 0.50 0.50 - - - - - - maxsd %xmm0, %xmm2
# CHECK-NEXT: - - 0.50 0.50 0.50 0.50 - - - - maxsd (%rax), %xmm2
-# CHECK-NEXT: - - 0.50 0.50 0.33 0.33 - 0.50 0.50 0.33 mfence
+# CHECK-NEXT: - - - - 0.50 0.50 1.00 - - - mfence
# CHECK-NEXT: - - 0.50 0.50 - - - - - - minpd %xmm0, %xmm2
# CHECK-NEXT: - - 0.50 0.50 0.50 0.50 - - - - minpd (%rax), %xmm2
# CHECK-NEXT: - - 0.50 0.50 - - - - - - minsd %xmm0, %xmm2
diff --git a/llvm/test/tools/llvm-mca/X86/barrier_output.s b/llvm/test/tools/llvm-mca/X86/barrier_output.s
index dddfa044039fa0..7eac34688f1a2f 100644
--- a/llvm/test/tools/llvm-mca/X86/barrier_output.s
+++ b/llvm/test/tools/llvm-mca/X86/barrier_output.s
@@ -19,7 +19,7 @@ maskmovdqu %xmm0, %xmm1
# CHECK: [1] [2] [3] [4] [5] [6] [7] [8] Instructions:
# CHECK-NEXT: 4 5 1.00 * * U clflush (%rax)
-# CHECK-NEXT: 1 1 1.00 * * U * lfence
-# CHECK-NEXT: 1 1 1.00 * * U * * mfence
-# CHECK-NEXT: 1 1 1.00 * * U * sfence
+# CHECK-NEXT: 2 1 1.00 * * U * lfence
+# CHECK-NEXT: 2 1 1.00 * * U * * mfence
+# CHECK-NEXT: 2 1 1.00 * * U * sfence
# CHECK-NEXT: 1 1 1.00 * * U maskmovdqu %xmm0, %xmm1
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