[X86] Remove HSW/BDW incorrect MOVQ2DQ override

MOVQ2DQ is treated the same as other vector moves on Port015 (matches SandyBridge, not Skylake or later).

Confirmed by augner/uops.info

Author: RKSimon

llvm/lib/Target/X86/X86SchedBroadwell.td

@@ -648,13 +648,6 @@ def BWWriteResGroup2 : SchedWriteRes<[BWPort1]> {
 def: InstRW<[BWWriteResGroup2], (instregex "COM(P?)_FST0r",
                                            "UCOM_F(P?)r")>;
 
-def BWWriteResGroup3 : SchedWriteRes<[BWPort5]> {
-  let Latency = 1;
-  let NumMicroOps = 1;
-  let ReleaseAtCycles = [1];
-}
-def: InstRW<[BWWriteResGroup3], (instrs MMX_MOVQ2DQrr)>;
-
 def BWWriteResGroup4 : SchedWriteRes<[BWPort6]> {
   let Latency = 1;
   let NumMicroOps = 1;

llvm/lib/Target/X86/X86SchedHaswell.td

@@ -919,13 +919,6 @@ def HWWriteResGroup3 : SchedWriteRes<[HWPort1]> {
 def: InstRW<[HWWriteResGroup3], (instregex "COM(P?)_FST0r",
                                            "UCOM_F(P?)r")>;
 
-def HWWriteResGroup4 : SchedWriteRes<[HWPort5]> {
-  let Latency = 1;
-  let NumMicroOps = 1;
-  let ReleaseAtCycles = [1];
-}
-def: InstRW<[HWWriteResGroup4], (instrs MMX_MOVQ2DQrr)>;
-
 def HWWriteResGroup5 : SchedWriteRes<[HWPort6]> {
   let Latency = 1;
   let NumMicroOps = 1;

llvm/test/tools/llvm-mca/X86/Broadwell/resources-sse2.s

@@ -503,7 +503,7 @@ xorpd       (%rax), %xmm2
 # CHECK-NEXT:  1      5     0.50    *                   movq	(%rax), %xmm2
 # CHECK-NEXT:  1      1     1.00                        movq	%xmm0, %rcx
 # CHECK-NEXT:  2      1     1.00           *            movq	%xmm0, (%rax)
-# CHECK-NEXT:  1      1     1.00                        movq2dq	%mm0, %xmm2
+# CHECK-NEXT:  1      1     0.33                        movq2dq	%mm0, %xmm2
 # CHECK-NEXT:  1      1     1.00                        movsd	%xmm0, %xmm2
 # CHECK-NEXT:  2      1     1.00           *            movsd	%xmm0, (%rax)
 # CHECK-NEXT:  1      5     0.50    *                   movsd	(%rax), %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  70.25  95.25  63.67  63.67  15.00  116.75 1.75   4.67
+# CHECK-NEXT:  -     78.00  70.58  95.58  63.67  63.67  15.00  116.08 1.75   4.67
 
 # CHECK:      Resource pressure by instruction:
 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    Instructions:
@@ -789,7 +789,7 @@ xorpd       (%rax), %xmm2
 # CHECK-NEXT:  -      -      -      -     0.50   0.50    -      -      -      -     movq	(%rax), %xmm2
 # CHECK-NEXT:  -      -     1.00    -      -      -      -      -      -      -     movq	%xmm0, %rcx
 # CHECK-NEXT:  -      -      -      -     0.33   0.33   1.00    -      -     0.33   movq	%xmm0, (%rax)
-# CHECK-NEXT:  -      -      -      -      -      -      -     1.00    -      -     movq2dq	%mm0, %xmm2
+# CHECK-NEXT:  -      -     0.33   0.33    -      -      -     0.33    -      -     movq2dq	%mm0, %xmm2
 # CHECK-NEXT:  -      -      -      -      -      -      -     1.00    -      -     movsd	%xmm0, %xmm2
 # CHECK-NEXT:  -      -      -      -     0.33   0.33   1.00    -      -     0.33   movsd	%xmm0, (%rax)
 # CHECK-NEXT:  -      -      -      -     0.50   0.50    -      -      -      -     movsd	(%rax), %xmm2

llvm/test/tools/llvm-mca/X86/Haswell/resources-sse2.s

@@ -503,7 +503,7 @@ xorpd       (%rax), %xmm2
 # CHECK-NEXT:  1      5     0.50    *                   movq	(%rax), %xmm2
 # CHECK-NEXT:  1      1     1.00                        movq	%xmm0, %rcx
 # CHECK-NEXT:  2      1     1.00           *            movq	%xmm0, (%rax)
-# CHECK-NEXT:  1      1     1.00                        movq2dq	%mm0, %xmm2
+# CHECK-NEXT:  1      1     0.33                        movq2dq	%mm0, %xmm2
 # CHECK-NEXT:  1      1     1.00                        movsd	%xmm0, %xmm2
 # CHECK-NEXT:  2      1     1.00           *            movsd	%xmm0, (%rax)
 # CHECK-NEXT:  1      5     0.50    *                   movsd	(%rax), %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 70.25  95.25  63.67  63.67  15.00  116.75 1.75   4.67
+# CHECK-NEXT:  -     112.00 70.58  95.58  63.67  63.67  15.00  116.08 1.75   4.67
 
 # CHECK:      Resource pressure by instruction:
 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    Instructions:
@@ -789,7 +789,7 @@ xorpd       (%rax), %xmm2
 # CHECK-NEXT:  -      -      -      -     0.50   0.50    -      -      -      -     movq	(%rax), %xmm2
 # CHECK-NEXT:  -      -     1.00    -      -      -      -      -      -      -     movq	%xmm0, %rcx
 # CHECK-NEXT:  -      -      -      -     0.33   0.33   1.00    -      -     0.33   movq	%xmm0, (%rax)
-# CHECK-NEXT:  -      -      -      -      -      -      -     1.00    -      -     movq2dq	%mm0, %xmm2
+# CHECK-NEXT:  -      -     0.33   0.33    -      -      -     0.33    -      -     movq2dq	%mm0, %xmm2
 # CHECK-NEXT:  -      -      -      -      -      -      -     1.00    -      -     movsd	%xmm0, %xmm2
 # CHECK-NEXT:  -      -      -      -     0.33   0.33   1.00    -      -     0.33   movsd	%xmm0, (%rax)
 # CHECK-NEXT:  -      -      -      -     0.50   0.50    -      -      -      -     movsd	(%rax), %xmm2