[X86][CM] update add\sub costs of vectors of 64 in X86\SLM arch

this patch updates the cost of addq\subq (add\subtract of vectors of 64bits)
based on the performance numbers of SLM arch.

Differential Revision: https://reviews.llvm.org/D33983

llvm-svn: 306974

1 files changed, 21 insertions, 7 deletions

diff --git a/llvm/test/Analysis/CostModel/X86/slm-arith-costs.ll b/llvm/test/Analysis/CostModel/X86/slm-arith-costs.ll
index 3673a5d9e06..a767aa30b8e 100644
--- a/llvm/test/Analysis/CostModel/X86/slm-arith-costs.ll
+++ b/llvm/test/Analysis/CostModel/X86/slm-arith-costs.ll
@@ -3,6 +3,20 @@
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-unknown-linux-gnu"
 
+define <2 x i64> @slm-costs_64_vector_add(<2 x i64> %a, <2 x i64> %b) {
+entry:
+; SLM:  cost of 4 {{.*}} add <2 x i64>
+  %res = add <2 x i64> %a, %b
+  ret <2 x i64> %res
+}
+
+define <2 x i64> @slm-costs_64_vector_sub(<2 x i64> %a, <2 x i64> %b) {
+entry:
+; SLM:  cost of 4 {{.*}} sub <2 x i64>
+  %res = sub <2 x i64> %a, %b
+  ret <2 x i64> %res
+}
+
 ; 8bit mul
 define i8 @slm-costs_8_scalar_mul(i8 %a, i8 %b)  {
 entry:
@@ -13,7 +27,7 @@ entry:
 
 define <2 x i8> @slm-costs_8_v2_mul(<2 x i8> %a, <2 x i8> %b)  {
 entry:
-; SLM:  cost of 11 {{.*}} mul nsw <2 x i8>
+; SLM:  cost of 17 {{.*}} mul nsw <2 x i8>
   %res = mul nsw <2 x i8> %a, %b
   ret <2 x i8> %res
 }
@@ -97,7 +111,7 @@ entry:
 
 define <2 x i16> @slm-costs_16_v2_mul(<2 x i16> %a, <2 x i16> %b)  {
 entry:
-; SLM:  cost of 11 {{.*}} mul nsw <2 x i16>
+; SLM:  cost of 17 {{.*}} mul nsw <2 x i16>
   %res = mul nsw <2 x i16> %a, %b
   ret <2 x i16> %res
 }
@@ -181,7 +195,7 @@ entry:
 
 define <2 x i32> @slm-costs_32_v2_mul(<2 x i32> %a, <2 x i32> %b)  {
 entry:
-; SLM:  cost of 11 {{.*}} mul nsw <2 x i32>
+; SLM:  cost of 17 {{.*}} mul nsw <2 x i32>
   %res = mul nsw <2 x i32> %a, %b
   ret <2 x i32> %res
 }
@@ -217,28 +231,28 @@ entry:
 
 define <2 x i64> @slm-costs_64_v2_mul(<2 x i64> %a, <2 x i64> %b)  {
 entry:
-; SLM:  cost of 11 {{.*}} mul nsw <2 x i64>
+; SLM:  cost of 17 {{.*}} mul nsw <2 x i64>
   %res = mul nsw <2 x i64> %a, %b
   ret <2 x i64> %res
 }
 
 define <4 x i64> @slm-costs_64_v4_mul(<4 x i64> %a, <4 x i64> %b)  {
 entry:
-; SLM:  cost of 22 {{.*}} mul nsw <4 x i64>
+; SLM:  cost of 34 {{.*}} mul nsw <4 x i64>
   %res = mul nsw <4 x i64> %a, %b
   ret <4 x i64> %res
 }
 
 define <8 x i64> @slm-costs_64_v8_mul(<8 x i64> %a, <8 x i64> %b)  {
 entry:
-; SLM:  cost of 44 {{.*}} mul nsw <8 x i64>
+; SLM:  cost of 68 {{.*}} mul nsw <8 x i64>
   %res = mul nsw <8 x i64> %a, %b
   ret <8 x i64> %res
 }
 
 define <16 x i64> @slm-costs_64_v16_mul(<16 x i64> %a, <16 x i64> %b)  {
 entry:
-; SLM:  cost of 88 {{.*}} mul nsw <16 x i64>
+; SLM:  cost of 136 {{.*}} mul nsw <16 x i64>
   %res = mul nsw <16 x i64> %a, %b
   ret <16 x i64> %res
 }