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[llvm-mca][x86] Add STC + STD instruction resource tests 

llvm-svn: 338514
This commit is contained in:
Simon Pilgrim 2018-08-01 11:00:11 +00:00
parent 5291df3c98
commit 18d025a732
10 changed files with 80 additions and 10 deletions
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9
llvm/test/tools/llvm-mca/X86/Atom/resources-x86_64.s
View File

@ -622,6 +622,9 @@ shrdq $7, %rsi, %rdi
shldq $7, %rsi, (%rax)
shrdq $7, %rsi, (%rax)
stc
std
subb $7, %al
subb $7, %dil
subb $7, (%rax)
@ -1255,6 +1258,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 1 9 4.50 shrdq $7, %rsi, %rdi
# CHECK-NEXT: 1 9 4.50 * * shldq $7, %rsi, (%rax)
# CHECK-NEXT: 1 9 4.50 * * shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 1 1 0.50 U stc
# CHECK-NEXT: 1 21 10.50 U std
# CHECK-NEXT: 1 1 0.50 subb $7, %al
# CHECK-NEXT: 1 1 0.50 subb $7, %dil
# CHECK-NEXT: 1 1 1.00 * * subb $7, (%rax)
@ -1322,7 +1327,7 @@ xorq (%rax), %rdi
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1]
# CHECK-NEXT: 1418.00 1088.00
# CHECK-NEXT: 1429.00 1099.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] Instructions:
@ -1882,6 +1887,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 4.50 4.50 shrdq $7, %rsi, %rdi
# CHECK-NEXT: 4.50 4.50 shldq $7, %rsi, (%rax)
# CHECK-NEXT: 4.50 4.50 shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 0.50 0.50 stc
# CHECK-NEXT: 10.50 10.50 std
# CHECK-NEXT: 0.50 0.50 subb $7, %al
# CHECK-NEXT: 0.50 0.50 subb $7, %dil
# CHECK-NEXT: 1.00 - subb $7, (%rax)

9
llvm/test/tools/llvm-mca/X86/Broadwell/resources-x86_64.s
View File

@ -622,6 +622,9 @@ shrdq $7, %rsi, %rdi
shldq $7, %rsi, (%rax)
shrdq $7, %rsi, (%rax)
stc
std
subb $7, %al
subb $7, %dil
subb $7, (%rax)
@ -1255,6 +1258,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 1 3 1.00 shrdq $7, %rsi, %rdi
# CHECK-NEXT: 4 9 1.00 * * shldq $7, %rsi, (%rax)
# CHECK-NEXT: 4 9 1.00 * * shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 1 1 0.25 U stc
# CHECK-NEXT: 6 6 1.50 U std
# CHECK-NEXT: 1 1 0.25 subb $7, %al
# CHECK-NEXT: 1 1 0.25 subb $7, %dil
# CHECK-NEXT: 3 7 1.00 * * subb $7, (%rax)
@ -1330,7 +1335,7 @@ xorq (%rax), %rdi
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
# CHECK-NEXT: 50.00 - 377.00 267.50 218.00 218.00 167.00 161.00 343.50 69.00
# CHECK-NEXT: 50.00 - 378.50 269.00 218.00 218.00 167.00 162.50 346.00 69.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@ -1890,6 +1895,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: - - - 1.00 - - - - - - shrdq $7, %rsi, %rdi
# CHECK-NEXT: - - 0.25 1.25 0.83 0.83 - 0.25 0.25 0.33 shldq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.25 1.25 0.83 0.83 - 0.25 0.25 0.33 shrdq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - stc
# CHECK-NEXT: - - 1.25 1.25 - - - 1.25 2.25 - std
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - subb $7, %al
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - subb $7, %dil
# CHECK-NEXT: - - 0.25 0.25 0.83 0.83 1.00 0.25 0.25 0.33 subb $7, (%rax)

9
llvm/test/tools/llvm-mca/X86/BtVer2/resources-x86_64.s
View File

@ -622,6 +622,9 @@ shrdq $7, %rsi, %rdi
shldq $7, %rsi, (%rax)
shrdq $7, %rsi, (%rax)
stc
std
subb $7, %al
subb $7, %dil
subb $7, (%rax)
@ -1255,6 +1258,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 6 3 3.00 shrdq $7, %rsi, %rdi
# CHECK-NEXT: 8 9 11.00 * * shldq $7, %rsi, (%rax)
# CHECK-NEXT: 8 9 11.00 * * shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 1 1 0.50 U stc
# CHECK-NEXT: 1 1 0.50 U std
# CHECK-NEXT: 1 1 0.50 subb $7, %al
# CHECK-NEXT: 1 1 0.50 subb $7, %dil
# CHECK-NEXT: 2 5 1.00 * * subb $7, (%rax)
@ -1334,7 +1339,7 @@ xorq (%rax), %rdi
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13]
# CHECK-NEXT: 493.00 543.00 380.00 - - - - 295.00 64.00 195.00 - - - -
# CHECK-NEXT: 494.00 544.00 380.00 - - - - 295.00 64.00 195.00 - - - -
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions:
@ -1894,6 +1899,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 3.00 3.00 - - - - - - - - - - - - shrdq $7, %rsi, %rdi
# CHECK-NEXT: 11.00 11.00 - - - - - 1.00 - - - - - - shldq $7, %rsi, (%rax)
# CHECK-NEXT: 11.00 11.00 - - - - - 1.00 - - - - - - shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 0.50 0.50 - - - - - - - - - - - - stc
# CHECK-NEXT: 0.50 0.50 - - - - - - - - - - - - std
# CHECK-NEXT: 0.50 0.50 - - - - - - - - - - - - subb $7, %al
# CHECK-NEXT: 0.50 0.50 - - - - - - - - - - - - subb $7, %dil
# CHECK-NEXT: 0.50 0.50 - - - - - 1.00 - 1.00 - - - - subb $7, (%rax)

9
llvm/test/tools/llvm-mca/X86/Generic/resources-x86_64.s
View File

@ -622,6 +622,9 @@ shrdq $7, %rsi, %rdi
shldq $7, %rsi, (%rax)
shrdq $7, %rsi, (%rax)
stc
std
subb $7, %al
subb $7, %dil
subb $7, (%rax)
@ -1255,6 +1258,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 2 2 0.67 shrdq $7, %rsi, %rdi
# CHECK-NEXT: 5 8 1.00 * * shldq $7, %rsi, (%rax)
# CHECK-NEXT: 5 8 1.00 * * shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 1 1 0.33 U stc
# CHECK-NEXT: 1 1 0.33 U std
# CHECK-NEXT: 1 1 0.33 subb $7, %al
# CHECK-NEXT: 1 1 0.33 subb $7, %dil
# CHECK-NEXT: 3 7 1.00 * * subb $7, (%rax)
@ -1328,7 +1333,7 @@ xorq (%rax), %rdi
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1]
# CHECK-NEXT: 160.00 - 365.50 171.00 210.00 356.50 254.00 254.00
# CHECK-NEXT: 160.00 - 366.17 171.67 210.00 357.17 254.00 254.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions:
@ -1888,6 +1893,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: - - 0.83 0.33 - 0.83 - - shrdq $7, %rsi, %rdi
# CHECK-NEXT: - - 0.83 0.33 1.00 0.83 1.00 1.00 shldq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.83 0.33 1.00 0.83 1.00 1.00 shrdq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.33 0.33 - 0.33 - - stc
# CHECK-NEXT: - - 0.33 0.33 - 0.33 - - std
# CHECK-NEXT: - - 0.33 0.33 - 0.33 - - subb $7, %al
# CHECK-NEXT: - - 0.33 0.33 - 0.33 - - subb $7, %dil
# CHECK-NEXT: - - 0.33 0.33 1.00 0.33 1.00 1.00 subb $7, (%rax)

9
llvm/test/tools/llvm-mca/X86/Haswell/resources-x86_64.s
View File

@ -622,6 +622,9 @@ shrdq $7, %rsi, %rdi
shldq $7, %rsi, (%rax)
shrdq $7, %rsi, (%rax)
stc
std
subb $7, %al
subb $7, %dil
subb $7, (%rax)
@ -1255,6 +1258,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 1 3 1.00 shrdq $7, %rsi, %rdi
# CHECK-NEXT: 4 10 1.00 * * shldq $7, %rsi, (%rax)
# CHECK-NEXT: 4 10 1.00 * * shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 1 1 0.25 U stc
# CHECK-NEXT: 6 6 1.50 U std
# CHECK-NEXT: 1 1 0.25 subb $7, %al
# CHECK-NEXT: 1 1 0.25 subb $7, %dil
# CHECK-NEXT: 3 7 1.00 * * subb $7, (%rax)
@ -1330,7 +1335,7 @@ xorq (%rax), %rdi
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
# CHECK-NEXT: 80.00 - 428.00 288.50 209.00 209.00 158.00 184.00 423.50 66.00
# CHECK-NEXT: 80.00 - 429.50 290.00 209.00 209.00 158.00 185.50 426.00 66.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@ -1890,6 +1895,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: - - - 1.00 - - - - - - shrdq $7, %rsi, %rdi
# CHECK-NEXT: - - 0.25 1.25 0.83 0.83 - 0.25 0.25 0.33 shldq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.25 1.25 0.83 0.83 - 0.25 0.25 0.33 shrdq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - stc
# CHECK-NEXT: - - 1.25 1.25 - - - 1.25 2.25 - std
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - subb $7, %al
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - subb $7, %dil
# CHECK-NEXT: - - 0.25 0.25 0.83 0.83 1.00 0.25 0.25 0.33 subb $7, (%rax)

9
llvm/test/tools/llvm-mca/X86/SLM/resources-x86_64.s
View File

@ -622,6 +622,9 @@ shrdq $7, %rsi, %rdi
shldq $7, %rsi, (%rax)
shrdq $7, %rsi, (%rax)
stc
std
subb $7, %al
subb $7, %dil
subb $7, (%rax)
@ -1255,6 +1258,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 1 1 1.00 shrdq $7, %rsi, %rdi
# CHECK-NEXT: 2 4 2.00 * * shldq $7, %rsi, (%rax)
# CHECK-NEXT: 2 4 2.00 * * shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 1 1 0.50 U stc
# CHECK-NEXT: 1 1 0.50 U std
# CHECK-NEXT: 1 1 0.50 subb $7, %al
# CHECK-NEXT: 1 1 0.50 subb $7, %dil
# CHECK-NEXT: 2 5 2.00 * * subb $7, (%rax)
@ -1328,7 +1333,7 @@ xorq (%rax), %rdi
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7]
# CHECK-NEXT: 400.00 - - - - 544.00 386.00 502.00
# CHECK-NEXT: 400.00 - - - - 545.00 387.00 502.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] Instructions:
@ -1888,6 +1893,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: - - - - - 1.00 - - shrdq $7, %rsi, %rdi
# CHECK-NEXT: - - - - - 1.00 - 2.00 shldq $7, %rsi, (%rax)
# CHECK-NEXT: - - - - - 1.00 - 2.00 shrdq $7, %rsi, (%rax)
# CHECK-NEXT: - - - - - 0.50 0.50 - stc
# CHECK-NEXT: - - - - - 0.50 0.50 - std
# CHECK-NEXT: - - - - - 0.50 0.50 - subb $7, %al
# CHECK-NEXT: - - - - - 0.50 0.50 - subb $7, %dil
# CHECK-NEXT: - - - - - 1.00 1.00 2.00 subb $7, (%rax)

9
llvm/test/tools/llvm-mca/X86/SandyBridge/resources-x86_64.s
View File

@ -622,6 +622,9 @@ shrdq $7, %rsi, %rdi
shldq $7, %rsi, (%rax)
shrdq $7, %rsi, (%rax)
stc
std
subb $7, %al
subb $7, %dil
subb $7, (%rax)
@ -1255,6 +1258,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 2 2 0.67 shrdq $7, %rsi, %rdi
# CHECK-NEXT: 5 8 1.00 * * shldq $7, %rsi, (%rax)
# CHECK-NEXT: 5 8 1.00 * * shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 1 1 0.33 U stc
# CHECK-NEXT: 1 1 0.33 U std
# CHECK-NEXT: 1 1 0.33 subb $7, %al
# CHECK-NEXT: 1 1 0.33 subb $7, %dil
# CHECK-NEXT: 3 7 1.00 * * subb $7, (%rax)
@ -1328,7 +1333,7 @@ xorq (%rax), %rdi
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1]
# CHECK-NEXT: 160.00 - 365.50 171.00 210.00 356.50 254.00 254.00
# CHECK-NEXT: 160.00 - 366.17 171.67 210.00 357.17 254.00 254.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions:
@ -1888,6 +1893,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: - - 0.83 0.33 - 0.83 - - shrdq $7, %rsi, %rdi
# CHECK-NEXT: - - 0.83 0.33 1.00 0.83 1.00 1.00 shldq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.83 0.33 1.00 0.83 1.00 1.00 shrdq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.33 0.33 - 0.33 - - stc
# CHECK-NEXT: - - 0.33 0.33 - 0.33 - - std
# CHECK-NEXT: - - 0.33 0.33 - 0.33 - - subb $7, %al
# CHECK-NEXT: - - 0.33 0.33 - 0.33 - - subb $7, %dil
# CHECK-NEXT: - - 0.33 0.33 1.00 0.33 1.00 1.00 subb $7, (%rax)

9
llvm/test/tools/llvm-mca/X86/SkylakeClient/resources-x86_64.s
View File

@ -622,6 +622,9 @@ shrdq $7, %rsi, %rdi
shldq $7, %rsi, (%rax)
shrdq $7, %rsi, (%rax)
stc
std
subb $7, %al
subb $7, %dil
subb $7, (%rax)
@ -1255,6 +1258,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 1 3 1.00 shrdq $7, %rsi, %rdi
# CHECK-NEXT: 4 9 1.00 * * shldq $7, %rsi, (%rax)
# CHECK-NEXT: 4 9 1.00 * * shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 1 1 0.25 U stc
# CHECK-NEXT: 6 6 1.50 U std
# CHECK-NEXT: 1 1 0.25 subb $7, %al
# CHECK-NEXT: 1 1 0.25 subb $7, %dil
# CHECK-NEXT: 3 7 1.00 * * subb $7, (%rax)
@ -1330,7 +1335,7 @@ xorq (%rax), %rdi
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
# CHECK-NEXT: 60.00 - 444.50 248.50 218.00 218.00 167.00 197.00 430.00 69.00
# CHECK-NEXT: 60.00 - 446.00 250.00 218.00 218.00 167.00 198.50 432.50 69.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@ -1890,6 +1895,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: - - - 1.00 - - - - - - shrdq $7, %rsi, %rdi
# CHECK-NEXT: - - 0.25 1.25 0.83 0.83 - 0.25 0.25 0.33 shldq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.25 1.25 0.83 0.83 - 0.25 0.25 0.33 shrdq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - stc
# CHECK-NEXT: - - 1.25 1.25 - - - 1.25 2.25 - std
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - subb $7, %al
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - subb $7, %dil
# CHECK-NEXT: - - 0.25 0.25 0.83 0.83 1.00 0.25 0.25 0.33 subb $7, (%rax)

9
llvm/test/tools/llvm-mca/X86/SkylakeServer/resources-x86_64.s
View File

@ -622,6 +622,9 @@ shrdq $7, %rsi, %rdi
shldq $7, %rsi, (%rax)
shrdq $7, %rsi, (%rax)
stc
std
subb $7, %al
subb $7, %dil
subb $7, (%rax)
@ -1255,6 +1258,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 1 3 1.00 shrdq $7, %rsi, %rdi
# CHECK-NEXT: 4 9 1.00 * * shldq $7, %rsi, (%rax)
# CHECK-NEXT: 4 9 1.00 * * shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 1 1 0.25 U stc
# CHECK-NEXT: 6 6 1.50 U std
# CHECK-NEXT: 1 1 0.25 subb $7, %al
# CHECK-NEXT: 1 1 0.25 subb $7, %dil
# CHECK-NEXT: 3 7 1.00 * * subb $7, (%rax)
@ -1330,7 +1335,7 @@ xorq (%rax), %rdi
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
# CHECK-NEXT: 60.00 - 444.75 248.75 218.00 218.00 167.00 197.25 430.25 69.00
# CHECK-NEXT: 60.00 - 446.25 250.25 218.00 218.00 167.00 198.75 432.75 69.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
@ -1890,6 +1895,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: - - - 1.00 - - - - - - shrdq $7, %rsi, %rdi
# CHECK-NEXT: - - 0.25 1.25 0.83 0.83 - 0.25 0.25 0.33 shldq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.25 1.25 0.83 0.83 - 0.25 0.25 0.33 shrdq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - stc
# CHECK-NEXT: - - 1.25 1.25 - - - 1.25 2.25 - std
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - subb $7, %al
# CHECK-NEXT: - - 0.25 0.25 - - - 0.25 0.25 - subb $7, %dil
# CHECK-NEXT: - - 0.25 0.25 0.83 0.83 1.00 0.25 0.25 0.33 subb $7, (%rax)

9
llvm/test/tools/llvm-mca/X86/Znver1/resources-x86_64.s
View File

@ -622,6 +622,9 @@ shrdq $7, %rsi, %rdi
shldq $7, %rsi, (%rax)
shrdq $7, %rsi, (%rax)
stc
std
subb $7, %al
subb $7, %dil
subb $7, (%rax)
@ -1255,6 +1258,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: 1 1 0.25 shrdq $7, %rsi, %rdi
# CHECK-NEXT: 2 5 0.50 * * shldq $7, %rsi, (%rax)
# CHECK-NEXT: 2 5 0.50 * * shrdq $7, %rsi, (%rax)
# CHECK-NEXT: 1 1 0.25 U stc
# CHECK-NEXT: 1 1 0.25 U std
# CHECK-NEXT: 1 1 0.25 subb $7, %al
# CHECK-NEXT: 1 1 0.25 subb $7, %dil
# CHECK-NEXT: 2 5 0.50 * * subb $7, (%rax)
@ -1332,7 +1337,7 @@ xorq (%rax), %rdi
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11]
# CHECK-NEXT: 147.50 147.50 131.00 165.00 147.00 131.00 392.00 - - - - 34.00
# CHECK-NEXT: 147.50 147.50 131.50 165.50 147.50 131.50 392.00 - - - - 34.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] Instructions:
@ -1892,6 +1897,8 @@ xorq (%rax), %rdi
# CHECK-NEXT: - - 0.25 0.25 0.25 0.25 - - - - - - shrdq $7, %rsi, %rdi
# CHECK-NEXT: 0.50 0.50 0.25 0.25 0.25 0.25 - - - - - - shldq $7, %rsi, (%rax)
# CHECK-NEXT: 0.50 0.50 0.25 0.25 0.25 0.25 - - - - - - shrdq $7, %rsi, (%rax)
# CHECK-NEXT: - - 0.25 0.25 0.25 0.25 - - - - - - stc
# CHECK-NEXT: - - 0.25 0.25 0.25 0.25 - - - - - - std
# CHECK-NEXT: - - 0.25 0.25 0.25 0.25 - - - - - - subb $7, %al
# CHECK-NEXT: - - 0.25 0.25 0.25 0.25 - - - - - - subb $7, %dil
# CHECK-NEXT: 0.50 0.50 0.25 0.25 0.25 0.25 - - - - - - subb $7, (%rax)