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[X86][SLM] Vector stores only use the MEC port. 

Confirmed by both Agner and Intel's AOM - the IEC/FPC are not required for pure load/stores (even if its a partial update).

Can't fix WriteStore until all RMW instructions are cleaned up though....

llvm-svn: 332096
This commit is contained in:
Simon Pilgrim 2018-05-11 15:16:15 +00:00
parent 868b31bf21
commit 032a01f74a
3 changed files with 22 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
llvm/lib/Target/X86/X86ScheduleSLM.td
View File

@ -137,11 +137,11 @@ def : WriteRes<WriteFLoadX, [SLM_MEC_RSV]> { let Latency = 3; }
def : WriteRes<WriteFLoadY, [SLM_MEC_RSV]> { let Latency = 3; }
def : WriteRes<WriteFMaskedLoad, [SLM_MEC_RSV]> { let Latency = 3; }
def : WriteRes<WriteFMaskedLoadY, [SLM_MEC_RSV]> { let Latency = 3; }
def : WriteRes<WriteFStore, [SLM_FPC_RSV01, SLM_MEC_RSV]>;
def : WriteRes<WriteFStoreX, [SLM_FPC_RSV01, SLM_MEC_RSV]>;
def : WriteRes<WriteFStoreY, [SLM_FPC_RSV01, SLM_MEC_RSV]>;
def : WriteRes<WriteFMaskedStore, [SLM_FPC_RSV01, SLM_MEC_RSV]>;
def : WriteRes<WriteFMaskedStoreY, [SLM_FPC_RSV01, SLM_MEC_RSV]>;
def : WriteRes<WriteFStore, [SLM_MEC_RSV]>;
def : WriteRes<WriteFStoreX, [SLM_MEC_RSV]>;
def : WriteRes<WriteFStoreY, [SLM_MEC_RSV]>;
def : WriteRes<WriteFMaskedStore, [SLM_MEC_RSV]>;
def : WriteRes<WriteFMaskedStoreY, [SLM_MEC_RSV]>;
def : WriteRes<WriteFMove, [SLM_FPC_RSV01]>;
def : WriteRes<WriteFMoveX, [SLM_FPC_RSV01]>;
def : WriteRes<WriteFMoveY, [SLM_FPC_RSV01]>;
@ -215,11 +215,11 @@ def : WriteRes<WriteVecLoadX, [SLM_MEC_RSV]> { let Latency = 3; }
def : WriteRes<WriteVecLoadY, [SLM_MEC_RSV]> { let Latency = 3; }
def : WriteRes<WriteVecMaskedLoad, [SLM_MEC_RSV]> { let Latency = 3; }
def : WriteRes<WriteVecMaskedLoadY, [SLM_MEC_RSV]> { let Latency = 3; }
def : WriteRes<WriteVecStore, [SLM_FPC_RSV01, SLM_MEC_RSV]>;
def : WriteRes<WriteVecStoreX, [SLM_FPC_RSV01, SLM_MEC_RSV]>;
def : WriteRes<WriteVecStoreY, [SLM_FPC_RSV01, SLM_MEC_RSV]>;
def : WriteRes<WriteVecMaskedStore, [SLM_FPC_RSV01, SLM_MEC_RSV]>;
def : WriteRes<WriteVecMaskedStoreY, [SLM_FPC_RSV01, SLM_MEC_RSV]>;
def : WriteRes<WriteVecStore, [SLM_MEC_RSV]>;
def : WriteRes<WriteVecStoreX, [SLM_MEC_RSV]>;
def : WriteRes<WriteVecStoreY, [SLM_MEC_RSV]>;
def : WriteRes<WriteVecMaskedStore, [SLM_MEC_RSV]>;
def : WriteRes<WriteVecMaskedStoreY, [SLM_MEC_RSV]>;
def : WriteRes<WriteVecMove, [SLM_FPC_RSV01]>;
def : WriteRes<WriteVecMoveX, [SLM_FPC_RSV01]>;
def : WriteRes<WriteVecMoveY, [SLM_FPC_RSV01]>;

8
llvm/test/tools/llvm-mca/X86/SLM/resources-sse1.s
View File

@ -331,7 +331,7 @@ xorps (%rax), %xmm2
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7]
# CHECK-NEXT: - 232.00 8.00 62.50 47.50 2.50 2.50 67.00
# CHECK-NEXT: - 232.00 8.00 61.00 46.00 2.50 2.50 67.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] Instructions:
@ -382,7 +382,7 @@ xorps (%rax), %xmm2
# CHECK-NEXT: - - - - 1.00 - - - minss %xmm0, %xmm2
# CHECK-NEXT: - - - - 1.00 - - 1.00 minss (%rax), %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - - movaps %xmm0, %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - 1.00 movaps %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movaps %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movaps (%rax), %xmm2
# CHECK-NEXT: - - - 1.00 - - - - movhlps %xmm0, %xmm2
# CHECK-NEXT: - - - 1.00 - - - - movlhps %xmm0, %xmm2
@ -391,13 +391,13 @@ xorps (%rax), %xmm2
# CHECK-NEXT: - - - - - 0.50 0.50 1.00 movlps %xmm0, (%rax)
# CHECK-NEXT: - - - 1.00 - - - 1.00 movlps (%rax), %xmm2
# CHECK-NEXT: - - - - 1.00 - - - movmskps %xmm0, %ecx
# CHECK-NEXT: - - - 0.50 0.50 - - 1.00 movntps %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movntps %xmm0, (%rax)
# CHECK-NEXT: - - - - - 0.50 0.50 1.00 movntq %mm0, (%rax)
# CHECK-NEXT: - - - 1.00 - - - - movss %xmm0, %xmm2
# CHECK-NEXT: - - - - - 0.50 0.50 1.00 movss %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movss (%rax), %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - - movups %xmm0, %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - 1.00 movups %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movups %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movups (%rax), %xmm2
# CHECK-NEXT: - - 2.00 1.00 - - - - mulps %xmm0, %xmm2
# CHECK-NEXT: - - 2.00 1.00 - - - 1.00 mulps (%rax), %xmm2

16
llvm/test/tools/llvm-mca/X86/SLM/resources-sse2.s
View File

@ -674,7 +674,7 @@ xorpd (%rax), %xmm2
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7]
# CHECK-NEXT: - 412.00 8.00 154.00 90.00 4.50 4.50 130.00
# CHECK-NEXT: - 412.00 8.00 150.50 86.50 4.50 4.50 130.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] Instructions:
@ -736,7 +736,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: - 32.00 - 1.00 - - - - divsd %xmm0, %xmm2
# CHECK-NEXT: - 32.00 - 1.00 - - - 1.00 divsd (%rax), %xmm2
# CHECK-NEXT: - - - - - - - 1.00 lfence
# CHECK-NEXT: - - - 0.50 0.50 - - 1.00 maskmovdqu %xmm0, %xmm1
# CHECK-NEXT: - - - - - - - 1.00 maskmovdqu %xmm0, %xmm1
# CHECK-NEXT: - - - - 1.00 - - - maxpd %xmm0, %xmm2
# CHECK-NEXT: - - - - 1.00 - - 1.00 maxpd (%rax), %xmm2
# CHECK-NEXT: - - - - 1.00 - - - maxsd %xmm0, %xmm2
@ -746,17 +746,17 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: - - - - 1.00 - - - minsd %xmm0, %xmm2
# CHECK-NEXT: - - - - 1.00 - - 1.00 minsd (%rax), %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - - movapd %xmm0, %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - 1.00 movapd %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movapd %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movapd (%rax), %xmm2
# CHECK-NEXT: - - - - - 0.50 0.50 - movd %eax, %xmm2
# CHECK-NEXT: - - - - - - - 1.00 movd (%rax), %xmm2
# CHECK-NEXT: - - - - - 0.50 0.50 - movd %xmm0, %ecx
# CHECK-NEXT: - - - - - 0.50 0.50 1.00 movd %xmm0, (%rax)
# CHECK-NEXT: - - - 0.50 0.50 - - - movdqa %xmm0, %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - 1.00 movdqa %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movdqa %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movdqa (%rax), %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - - movdqu %xmm0, %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - 1.00 movdqu %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movdqu %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movdqu (%rax), %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - - movdq2q %xmm0, %mm2
# CHECK-NEXT: - - - - - 0.50 0.50 1.00 movhpd %xmm0, (%rax)
@ -764,8 +764,8 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: - - - - - 0.50 0.50 1.00 movlpd %xmm0, (%rax)
# CHECK-NEXT: - - - 1.00 - - - 1.00 movlpd (%rax), %xmm2
# CHECK-NEXT: - - - - 1.00 - - - movmskpd %xmm0, %ecx
# CHECK-NEXT: - - - 0.50 0.50 - - 1.00 movntdq %xmm0, (%rax)
# CHECK-NEXT: - - - 0.50 0.50 - - 1.00 movntpd %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movntdq %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movntpd %xmm0, (%rax)
# CHECK-NEXT: - - - 0.50 0.50 - - - movq %xmm0, %xmm2
# CHECK-NEXT: - - - - - 0.50 0.50 - movq %rax, %xmm2
# CHECK-NEXT: - - - - - - - 1.00 movq (%rax), %xmm2
@ -776,7 +776,7 @@ xorpd (%rax), %xmm2
# CHECK-NEXT: - - - - - 0.50 0.50 1.00 movsd %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movsd (%rax), %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - - movupd %xmm0, %xmm2
# CHECK-NEXT: - - - 0.50 0.50 - - 1.00 movupd %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movupd %xmm0, (%rax)
# CHECK-NEXT: - - - - - - - 1.00 movupd (%rax), %xmm2
# CHECK-NEXT: - - 2.00 1.00 - - - - mulpd %xmm0, %xmm2
# CHECK-NEXT: - - 2.00 1.00 - - - 1.00 mulpd (%rax), %xmm2