[X86] skylake only uses Port0 for (v)phminposuw instructions

Now matches skylake-server - and matches reports from uops.info, Agner and instlatx64.

Author: RKSimon

llvm/lib/Target/X86/X86SchedSkylakeClient.td

@@ -404,7 +404,7 @@ defm : SKLWriteResPair<WritePSADBW,  [SKLPort5], 3, [1], 1, 5>; // Vector PSADBW
 defm : SKLWriteResPair<WritePSADBWX, [SKLPort5], 3, [1], 1, 6>;
 defm : SKLWriteResPair<WritePSADBWY, [SKLPort5], 3, [1], 1, 7>;
 defm : X86WriteResPairUnsupported<WritePSADBWZ>;
-defm : SKLWriteResPair<WritePHMINPOS, [SKLPort01], 4, [1], 1, 6>; // Vector PHMINPOS.
+defm : SKLWriteResPair<WritePHMINPOS, [SKLPort0], 4, [1], 1, 6>; // Vector PHMINPOS.
 
 // Vector integer shifts.
 defm : SKLWriteResPair<WriteVecShift,     [SKLPort0], 1, [1], 1, 5>;

llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-avx1.s

@@ -1461,8 +1461,8 @@ vzeroupper
 # CHECK-NEXT:  4      9     2.00    *                   vphaddsw	(%rax), %xmm1, %xmm2
 # CHECK-NEXT:  3      3     2.00                        vphaddw	%xmm0, %xmm1, %xmm2
 # CHECK-NEXT:  4      9     2.00    *                   vphaddw	(%rax), %xmm1, %xmm2
-# CHECK-NEXT:  1      4     0.50                        vphminposuw	%xmm0, %xmm2
-# CHECK-NEXT:  2      10    0.50    *                   vphminposuw	(%rax), %xmm2
+# CHECK-NEXT:  1      4     1.00                        vphminposuw	%xmm0, %xmm2
+# CHECK-NEXT:  2      10    1.00    *                   vphminposuw	(%rax), %xmm2
 # CHECK-NEXT:  3      3     2.00                        vphsubd	%xmm0, %xmm1, %xmm2
 # CHECK-NEXT:  4      9     2.00    *                   vphsubd	(%rax), %xmm1, %xmm2
 # CHECK-NEXT:  3      3     2.00                        vphsubsw	%xmm0, %xmm1, %xmm2
@@ -1736,7 +1736,7 @@ vzeroupper
 
 # CHECK:      Resource pressure per iteration:
 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]
-# CHECK-NEXT:  -     126.00 339.58 199.58 173.83 173.83 38.00  326.58 6.25   11.33
+# CHECK-NEXT:  -     126.00 340.58 198.58 173.83 173.83 38.00  326.58 6.25   11.33
 
 # CHECK:      Resource pressure by instruction:
 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    Instructions:
@@ -2171,8 +2171,8 @@ vzeroupper
 # CHECK-NEXT:  -      -     0.50   0.50   0.50   0.50    -     2.00    -      -     vphaddsw	(%rax), %xmm1, %xmm2
 # CHECK-NEXT:  -      -     0.33   0.33    -      -      -     2.33    -      -     vphaddw	%xmm0, %xmm1, %xmm2
 # CHECK-NEXT:  -      -     0.33   0.33   0.50   0.50    -     2.33    -      -     vphaddw	(%rax), %xmm1, %xmm2
-# CHECK-NEXT:  -      -     0.50   0.50    -      -      -      -      -      -     vphminposuw	%xmm0, %xmm2
-# CHECK-NEXT:  -      -     0.50   0.50   0.50   0.50    -      -      -      -     vphminposuw	(%rax), %xmm2
+# CHECK-NEXT:  -      -     1.00    -      -      -      -      -      -      -     vphminposuw	%xmm0, %xmm2
+# CHECK-NEXT:  -      -     1.00    -     0.50   0.50    -      -      -      -     vphminposuw	(%rax), %xmm2
 # CHECK-NEXT:  -      -     0.33   0.33    -      -      -     2.33    -      -     vphsubd	%xmm0, %xmm1, %xmm2
 # CHECK-NEXT:  -      -     0.33   0.33   0.50   0.50    -     2.33    -      -     vphsubd	(%rax), %xmm1, %xmm2
 # CHECK-NEXT:  -      -     0.50   0.50    -      -      -     2.00    -      -     vphsubsw	%xmm0, %xmm1, %xmm2

llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-sse41.s

@@ -189,8 +189,8 @@ roundss     $1, (%rax), %xmm2
 # CHECK-NEXT:  2      3     1.00                        pextrq	$1, %xmm0, %rcx
 # CHECK-NEXT:  3      2     1.00           *            pextrq	$1, %xmm0, (%rax)
 # CHECK-NEXT:  3      2     1.00           *            pextrw	$1, %xmm0, (%rax)
-# CHECK-NEXT:  1      4     0.50                        phminposuw	%xmm0, %xmm2
-# CHECK-NEXT:  2      10    0.50    *                   phminposuw	(%rax), %xmm2
+# CHECK-NEXT:  1      4     1.00                        phminposuw	%xmm0, %xmm2
+# CHECK-NEXT:  2      10    1.00    *                   phminposuw	(%rax), %xmm2
 # CHECK-NEXT:  2      2     2.00                        pinsrb	$1, %eax, %xmm1
 # CHECK-NEXT:  2      6     1.00    *                   pinsrb	$1, (%rax), %xmm1
 # CHECK-NEXT:  2      2     2.00                        pinsrd	$1, %eax, %xmm1
@@ -266,7 +266,7 @@ roundss     $1, (%rax), %xmm2
 
 # CHECK:      Resource pressure per iteration:
 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]
-# CHECK-NEXT:  -      -     37.83  31.33  23.67  23.67  5.00   63.33  0.50   1.67
+# CHECK-NEXT:  -      -     38.83  30.33  23.67  23.67  5.00   63.33  0.50   1.67
 
 # CHECK:      Resource pressure by instruction:
 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    Instructions:
@@ -304,8 +304,8 @@ roundss     $1, (%rax), %xmm2
 # CHECK-NEXT:  -      -     1.00    -      -      -      -     1.00    -      -     pextrq	$1, %xmm0, %rcx
 # CHECK-NEXT:  -      -      -      -     0.33   0.33   1.00   1.00    -     0.33   pextrq	$1, %xmm0, (%rax)
 # CHECK-NEXT:  -      -      -      -     0.33   0.33   1.00   1.00    -     0.33   pextrw	$1, %xmm0, (%rax)
-# CHECK-NEXT:  -      -     0.50   0.50    -      -      -      -      -      -     phminposuw	%xmm0, %xmm2
-# CHECK-NEXT:  -      -     0.50   0.50   0.50   0.50    -      -      -      -     phminposuw	(%rax), %xmm2
+# CHECK-NEXT:  -      -     1.00    -      -      -      -      -      -      -     phminposuw	%xmm0, %xmm2
+# CHECK-NEXT:  -      -     1.00    -     0.50   0.50    -      -      -      -     phminposuw	(%rax), %xmm2
 # CHECK-NEXT:  -      -      -      -      -      -      -     2.00    -      -     pinsrb	$1, %eax, %xmm1
 # CHECK-NEXT:  -      -      -      -     0.50   0.50    -     1.00    -      -     pinsrb	$1, (%rax), %xmm1
 # CHECK-NEXT:  -      -      -      -      -      -      -     2.00    -      -     pinsrd	$1, %eax, %xmm1