[AArch64] Fix the number of iterations for the Newton series

The number of iterations was incorrectly determined for DP FP vector types
and the tests were insufficient to flag this issue.

Differential revision: https://reviews.llvm.org/D39507

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317349 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AArch64/AArch64ISelLowering.cpp b/lib/Target/AArch64/AArch64ISelLowering.cpp
index bec872a..aabbaf9 100644 (file)
--- a/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -4981,7 +4981,7 @@ static SDValue getEstimate(const AArch64Subtarget *ST, unsigned Opcode,
       // the initial estimate is 2^-8.  Thus the number of extra steps to refine
       // the result for float (23 mantissa bits) is 2 and for double (52
       // mantissa bits) is 3.
-      ExtraSteps = VT == MVT::f64 ? 3 : 2;
+      ExtraSteps = VT.getScalarType() == MVT::f64 ? 3 : 2;
 
     return DAG.getNode(Opcode, SDLoc(Operand), VT, Operand);
   }

diff --git a/test/CodeGen/AArch64/recp-fastmath.ll b/test/CodeGen/AArch64/recp-fastmath.ll
index 38e0fb3..4776931 100644 (file)
--- a/test/CodeGen/AArch64/recp-fastmath.ll
+++ b/test/CodeGen/AArch64/recp-fastmath.ll
@@ -18,6 +18,8 @@ define float @frecp1(float %x) #1 {
 ; CHECK-NEXT: BB#0
 ; CHECK-NEXT: frecpe [[R:s[0-7]]]
 ; CHECK-NEXT: frecps {{s[0-7](, s[0-7])?}}, [[R]]
+; CHECK: frecps {{s[0-7]}}, {{s[0-7]}}, {{s[0-7]}}
+; CHECK-NOT: frecps {{s[0-7]}}, {{s[0-7]}}, {{s[0-7]}}
 }
 
 define <2 x float> @f2recp0(<2 x float> %x) #0 {
@@ -38,6 +40,8 @@ define <2 x float> @f2recp1(<2 x float> %x) #1 {
 ; CHECK-NEXT: BB#0
 ; CHECK-NEXT: frecpe [[R:v[0-7]\.2s]]
 ; CHECK-NEXT: frecps {{v[0-7]\.2s(, v[0-7].2s)?}}, [[R]]
+; CHECK: frecps {{v[0-7]\.2s}}, {{v[0-7]\.2s}}, {{v[0-7]\.2s}}
+; CHECK-NOT: frecps {{v[0-7]\.2s}}, {{v[0-7]\.2s}}, {{v[0-7]\.2s}}
 }
 
 define <4 x float> @f4recp0(<4 x float> %x) #0 {
@@ -58,6 +62,8 @@ define <4 x float> @f4recp1(<4 x float> %x) #1 {
 ; CHECK-NEXT: BB#0
 ; CHECK-NEXT: frecpe [[R:v[0-7]\.4s]]
 ; CHECK-NEXT: frecps {{v[0-7]\.4s(, v[0-7].4s)?}}, [[R]]
+; CHECK: frecps {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK-NOT: frecps {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
 }
 
 define <8 x float> @f8recp0(<8 x float> %x) #0 {
@@ -77,10 +83,12 @@ define <8 x float> @f8recp1(<8 x float> %x) #1 {
 
 ; CHECK-LABEL: f8recp1:
 ; CHECK-NEXT: BB#0
-; CHECK-NEXT: frecpe [[RA:v[0-7]\.4s]]
-; CHECK-NEXT: frecpe [[RB:v[0-7]\.4s]]
-; CHECK-NEXT: frecps {{v[0-7]\.4s(, v[0-7].4s)?}}, [[RA]]
-; CHECK: frecps {{v[0-7]\.4s(, v[0-7].4s)?}}, [[RB]]
+; CHECK-NEXT: frecpe [[R:v[0-7]\.4s]]
+; CHECK: frecps {{v[0-7]\.4s(, v[0-7].4s)?}}, [[R]]
+; CHECK: frecps {{v[0-7]\.4s(, v[0-7].4s)?}}, {{v[0-7]\.4s}}
+; CHECK: frecps {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK: frecps {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK-NOT: frecps {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
 }
 
 define double @drecp0(double %x) #0 {
@@ -101,6 +109,9 @@ define double @drecp1(double %x) #1 {
 ; CHECK-NEXT: BB#0
 ; CHECK-NEXT: frecpe [[R:d[0-7]]]
 ; CHECK-NEXT: frecps {{d[0-7](, d[0-7])?}}, [[R]]
+; CHECK: frecps {{d[0-7]}}, {{d[0-7]}}, {{d[0-7]}}
+; CHECK: frecps {{d[0-7]}}, {{d[0-7]}}, {{d[0-7]}}
+; CHECK-NOT: frecps {{d[0-7]}}, {{d[0-7]}}, {{d[0-7]}}
 }
 
 define <2 x double> @d2recp0(<2 x double> %x) #0 {
@@ -121,6 +132,9 @@ define <2 x double> @d2recp1(<2 x double> %x) #1 {
 ; CHECK-NEXT: BB#0
 ; CHECK-NEXT: frecpe [[R:v[0-7]\.2d]]
 ; CHECK-NEXT: frecps {{v[0-7]\.2d(, v[0-7].2d)?}}, [[R]]
+; CHECK: frecps {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frecps {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK-NOT: frecps {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
 }
 
 define <4 x double> @d4recp0(<4 x double> %x) #0 {
@@ -140,10 +154,14 @@ define <4 x double> @d4recp1(<4 x double> %x) #1 {
 
 ; CHECK-LABEL: d4recp1:
 ; CHECK-NEXT: BB#0
-; CHECK-NEXT: frecpe [[RA:v[0-7]\.2d]]
-; CHECK-NEXT: frecpe [[RB:v[0-7]\.2d]]
-; CHECK-NEXT: frecps {{v[0-7]\.2d(, v[0-7].2d)?}}, [[RA]]
-; CHECK: frecps {{v[0-7]\.2d(, v[0-7].2d)?}}, [[RB]]
+; CHECK-NEXT: frecpe [[R:v[0-7]\.2d]]
+; CHECK: frecps {{v[0-7]\.2d(, v[0-7].2d)?}}, [[R]]
+; CHECK: frecps {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frecps {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frecps {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frecps {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frecps {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK-NOT: frecps {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
 }
 
 attributes #0 = { nounwind "unsafe-fp-math"="true" }

diff --git a/test/CodeGen/AArch64/sqrt-fastmath.ll b/test/CodeGen/AArch64/sqrt-fastmath.ll
index 079562c..4dd0516 100644 (file)
--- a/test/CodeGen/AArch64/sqrt-fastmath.ll
+++ b/test/CodeGen/AArch64/sqrt-fastmath.ll
@@ -22,7 +22,9 @@ define float @fsqrt(float %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:s[0-7]]]
 ; CHECK-NEXT: fmul [[RB:s[0-7]]], [[RA]], [[RA]]
 ; CHECK-NEXT: frsqrts {{s[0-7](, s[0-7])?}}, [[RB]]
-; CHECK: fcmp s0, #0
+; CHECK: frsqrts {{s[0-7]}}, {{s[0-7]}}, {{s[0-7]}}
+; CHECK-NOT: frsqrts {{s[0-7]}}, {{s[0-7]}}, {{s[0-7]}}
+; CHECK: fcmp {{s[0-7]}}, #0
 }
 
 define <2 x float> @f2sqrt(<2 x float> %a) #0 {
@@ -38,7 +40,9 @@ define <2 x float> @f2sqrt(<2 x float> %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:v[0-7]\.2s]]
 ; CHECK-NEXT: fmul [[RB:v[0-7]\.2s]], [[RA]], [[RA]]
 ; CHECK-NEXT: frsqrts {{v[0-7]\.2s(, v[0-7]\.2s)?}}, [[RB]]
-; CHECK: fcmeq {{v[0-7]\.2s, v0\.2s}}, #0
+; CHECK: frsqrts {{v[0-7]\.2s}}, {{v[0-7]\.2s}}, {{v[0-7]\.2s}}
+; CHECK-NOT: frsqrts {{v[0-7]\.2s}}, {{v[0-7]\.2s}}, {{v[0-7]\.2s}}
+; CHECK: fcmeq {{v[0-7]\.2s}}, {{v[0-7]\.2s}}, #0
 }
 
 define <4 x float> @f4sqrt(<4 x float> %a) #0 {
@@ -54,7 +58,9 @@ define <4 x float> @f4sqrt(<4 x float> %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:v[0-7]\.4s]]
 ; CHECK-NEXT: fmul [[RB:v[0-7]\.4s]], [[RA]], [[RA]]
 ; CHECK-NEXT: frsqrts {{v[0-7]\.4s(, v[0-7]\.4s)?}}, [[RB]]
-; CHECK: fcmeq {{v[0-7]\.4s, v0\.4s}}, #0
+; CHECK: frsqrts {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK-NOT: frsqrts {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK: fcmeq {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, #0
 }
 
 define <8 x float> @f8sqrt(<8 x float> %a) #0 {
@@ -69,9 +75,16 @@ define <8 x float> @f8sqrt(<8 x float> %a) #0 {
 ; CHECK-LABEL: f8sqrt:
 ; CHECK-NEXT: BB#0
 ; CHECK-NEXT: frsqrte [[RA:v[0-7]\.4s]]
-; CHECK: fmul [[RB:v[0-7]\.4s]], [[RA]], [[RA]]
-; CHECK: frsqrts {{v[0-7]\.4s(, v[0-7]\.4s)?}}, [[RB]]
-; CHECK: fcmeq {{v[0-7]\.4s, v[0-1]\.4s}}, #0
+; CHECK-NEXT: fmul [[RB:v[0-7]\.4s]], [[RA]], [[RA]]
+; CHECK-NEXT: frsqrts {{v[0-7]\.4s(, v[0-7]\.4s)?}}, [[RB]]
+; CHECK: frsqrts {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK: fcmeq {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, #0
+; CHECK: frsqrte [[RC:v[0-7]\.4s]]
+; CHECK-NEXT: fmul [[RD:v[0-7]\.4s]], [[RC]], [[RC]]
+; CHECK-NEXT: frsqrts {{v[0-7]\.4s(, v[0-7]\.4s)?}}, [[RD]]
+; CHECK: frsqrts {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK-NOT: frsqrts {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK: fcmeq {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, #0
 }
 
 define double @dsqrt(double %a) #0 {
@@ -87,7 +100,10 @@ define double @dsqrt(double %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:d[0-7]]]
 ; CHECK-NEXT: fmul [[RB:d[0-7]]], [[RA]], [[RA]]
 ; CHECK-NEXT: frsqrts {{d[0-7](, d[0-7])?}}, [[RB]]
-; CHECK: fcmp d0, #0
+; CHECK: frsqrts {{d[0-7]}}, {{d[0-7]}}, {{d[0-7]}}
+; CHECK: frsqrts {{d[0-7]}}, {{d[0-7]}}, {{d[0-7]}}
+; CHECK-NOT: frsqrts {{d[0-7]}}, {{d[0-7]}}, {{d[0-7]}}
+; CHECK: fcmp {{d[0-7]}}, #0
 }
 
 define <2 x double> @d2sqrt(<2 x double> %a) #0 {
@@ -103,7 +119,10 @@ define <2 x double> @d2sqrt(<2 x double> %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:v[0-7]\.2d]]
 ; CHECK-NEXT: fmul [[RB:v[0-7]\.2d]], [[RA]], [[RA]]
 ; CHECK-NEXT: frsqrts {{v[0-7]\.2d(, v[0-7]\.2d)?}}, [[RB]]
-; CHECK: fcmeq {{v[0-7]\.2d, v0\.2d}}, #0
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK-NOT: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: fcmeq {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, #0
 }
 
 define <4 x double> @d4sqrt(<4 x double> %a) #0 {
@@ -118,9 +137,19 @@ define <4 x double> @d4sqrt(<4 x double> %a) #0 {
 ; CHECK-LABEL: d4sqrt:
 ; CHECK-NEXT: BB#0
 ; CHECK-NEXT: frsqrte [[RA:v[0-7]\.2d]]
-; CHECK: fmul [[RB:v[0-7]\.2d]], [[RA]], [[RA]]
-; CHECK: frsqrts {{v[0-7]\.2d(, v[0-7]\.2d)?}}, [[RB]]
-; CHECK: fcmeq {{v[0-7]\.2d, v[0-1]\.2d}}, #0
+; CHECK-NEXT: fmul [[RB:v[0-7]\.2d]], [[RA]], [[RA]]
+; CHECK-NEXT: frsqrts {{v[0-7]\.2d(, v[0-7]\.2d)?}}, [[RB]]
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK-NOT: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: fcmeq {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, #0
+; CHECK: frsqrte [[RC:v[0-7]\.2d]]
+; CHECK-NEXT: fmul [[RD:v[0-7]\.2d]], [[RC]], [[RC]]
+; CHECK-NEXT: frsqrts {{v[0-7]\.2d(, v[0-7]\.2d)?}}, [[RD]]
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK-NOT: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: fcmeq {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, #0
 }
 
 define float @frsqrt(float %a) #0 {
@@ -137,6 +166,8 @@ define float @frsqrt(float %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:s[0-7]]]
 ; CHECK-NEXT: fmul [[RB:s[0-7]]], [[RA]], [[RA]]
 ; CHECK-NEXT: frsqrts {{s[0-7](, s[0-7])?}}, [[RB]]
+; CHECK: frsqrts {{s[0-7]}}, {{s[0-7]}}, {{s[0-7]}}
+; CHECK-NOT: frsqrts {{s[0-7]}}, {{s[0-7]}}, {{s[0-7]}}
 ; CHECK-NOT: fcmp {{s[0-7]}}, #0
 }
 
@@ -154,7 +185,9 @@ define <2 x float> @f2rsqrt(<2 x float> %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:v[0-7]\.2s]]
 ; CHECK-NEXT: fmul [[RB:v[0-7]\.2s]], [[RA]], [[RA]]
 ; CHECK-NEXT: frsqrts {{v[0-7]\.2s(, v[0-7]\.2s)?}}, [[RB]]
-; CHECK-NOT: fcmeq {{v[0-7]\.2s, v0\.2s}}, #0
+; CHECK: frsqrts {{v[0-7]\.2s}}, {{v[0-7]\.2s}}, {{v[0-7]\.2s}}
+; CHECK-NOT: frsqrts {{v[0-7]\.2s}}, {{v[0-7]\.2s}}, {{v[0-7]\.2s}}
+; CHECK-NOT: fcmeq {{v[0-7]\.2s}}, {{v[0-7]\.2s}}, #0
 }
 
 define <4 x float> @f4rsqrt(<4 x float> %a) #0 {
@@ -171,7 +204,9 @@ define <4 x float> @f4rsqrt(<4 x float> %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:v[0-7]\.4s]]
 ; CHECK-NEXT: fmul [[RB:v[0-7]\.4s]], [[RA]], [[RA]]
 ; CHECK-NEXT: frsqrts {{v[0-7]\.4s(, v[0-7]\.4s)?}}, [[RB]]
-; CHECK-NOT: fcmeq {{v[0-7]\.4s, v0\.4s}}, #0
+; CHECK: frsqrts {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK-NOT: frsqrts {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK-NOT: fcmeq {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, #0
 }
 
 define <8 x float> @f8rsqrt(<8 x float> %a) #0 {
@@ -189,7 +224,11 @@ define <8 x float> @f8rsqrt(<8 x float> %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:v[0-7]\.4s]]
 ; CHECK: fmul [[RB:v[0-7]\.4s]], [[RA]], [[RA]]
 ; CHECK: frsqrts {{v[0-7]\.4s(, v[0-7]\.4s)?}}, [[RB]]
-; CHECK-NOT: fcmeq {{v[0-7]\.4s, v0\.4s}}, #0
+; CHECK: frsqrts {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK: frsqrts {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK: frsqrts {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK-NOT: frsqrts {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, {{v[0-7]\.4s}}
+; CHECK-NOT: fcmeq {{v[0-7]\.4s}}, {{v[0-7]\.4s}}, #0
 }
 
 define double @drsqrt(double %a) #0 {
@@ -206,6 +245,9 @@ define double @drsqrt(double %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:d[0-7]]]
 ; CHECK-NEXT: fmul [[RB:d[0-7]]], [[RA]], [[RA]]
 ; CHECK-NEXT: frsqrts {{d[0-7](, d[0-7])?}}, [[RB]]
+; CHECK: frsqrts {{d[0-7]}}, {{d[0-7]}}, {{d[0-7]}}
+; CHECK: frsqrts {{d[0-7]}}, {{d[0-7]}}, {{d[0-7]}}
+; CHECK-NOT: frsqrts {{d[0-7]}}, {{d[0-7]}}, {{d[0-7]}}
 ; CHECK-NOT: fcmp d0, #0
 }
 
@@ -223,7 +265,10 @@ define <2 x double> @d2rsqrt(<2 x double> %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:v[0-7]\.2d]]
 ; CHECK-NEXT: fmul [[RB:v[0-7]\.2d]], [[RA]], [[RA]]
 ; CHECK-NEXT: frsqrts {{v[0-7]\.2d(, v[0-7]\.2d)?}}, [[RB]]
-; CHECK-NOT: fcmeq {{v[0-7]\.2d, v0\.2d}}, #0
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK-NOT: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK-NOT: fcmeq {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, #0
 }
 
 define <4 x double> @d4rsqrt(<4 x double> %a) #0 {
@@ -241,7 +286,13 @@ define <4 x double> @d4rsqrt(<4 x double> %a) #0 {
 ; CHECK-NEXT: frsqrte [[RA:v[0-7]\.2d]]
 ; CHECK: fmul [[RB:v[0-7]\.2d]], [[RA]], [[RA]]
 ; CHECK: frsqrts {{v[0-7]\.2d(, v[0-7]\.2d)?}}, [[RB]]
-; CHECK-NOT: fcmeq {{v[0-7]\.2d, v0\.2d}}, #0
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK-NOT: frsqrts {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, {{v[0-7]\.2d}}
+; CHECK-NOT: fcmeq {{v[0-7]\.2d}}, {{v[0-7]\.2d}}, #0
 }
 
 attributes #0 = { nounwind "unsafe-fp-math"="true" }