search for: x19

...ruct hlist_node *n, struct hlist_node *next) { n->pprev = next->pprev; n->next = next; rcu_assign_pointer(hlist_pprev_rcu(n), n); next->pprev = &n->next; } can reordered, and causes kernel crash. f94006a8 ldr x8, [x21,#8] f9000275 str x21, [x19] d5033abf dmb ishst f9400669 ldr x9, [x19,#8] f9000668 str x8, [x19,#8] <==== reordered str f9000133 str x19, [x9] f90006b3 str x19, [x21,#8] It should be: f94006a8 ldr x8, [x21,#8] f9000668 str x8, [x19,#8] f9000275 str x21, [x19] d5033abf dmb ishst f9400669 ldr x9, [x19,#8] f900013...

I'm using r223407. Switching to a clean built on r223853, it still gives me: ldr x8, [x21,#8] stp x21, x8, [x19] dmb ishst ldr x8, [x19,#8] str x19, [x8] str x19, [x21,#8] Thanks, Chengyu > On Dec 9, 2014, at 6:32 PM, Tim Northover <t.p.northover at gmail.com> wrote: > > On 9 December 2014 at 15:14, Chengyu Song <csong84 at gatech.edu> wrote: >> Errr. my fault. I...

I'm not sure, I was never able to compile the whole kernel with -O0, too many errors. Plus, the problem seems to be within machine code generation. I tried opt -O1 and -O2, the generated .ll file does not diff much for the target function (insert_leaf_info). Thanks, Chengyu > On Dec 9, 2014, at 4:49 PM, Tim Northover <t.p.northover at gmail.com> wrote: > > On 9 December 2014

...rt(B13*(X13*x1+X23*x2)^2+C13)A14*(X14*x1+X24*x2)+-1*sqrt(B14*(X14*x1+X24*x2)^2+C14)A15*(X15*x1+X25*x2)+1*sqrt(B15*(X15*x1+X25*x2)^2+C15)A16*(X16*x1+X26*x2)+1*sqrt(B16*(X16*x1+X26*x2)^2+C16)A17*(X17*x1+X27*x2)+1*sqrt(B17*(X17*x1+X27*x2)^2+C17)A18*(X18*x1+X28*x2)+1*sqrt(B18*(X18*x1+X28*x2)^2+C18)A19*(X19*x1+X29*x2)+-1*sqrt(B19*(X19*x1+X29*x2)^2+C19)A110*(X110*x1+X210*x2)+1*sqrt(B110*(X110*x1+X210*x2)^2+C110)" > cum2 [1] "A21*(X11*x1+X21*x2)+1*sqrt(B21*(X11*x1+X21*x2)^2+C21)A22*(X12*x1+X22*x2)+1*sqrt(B22*(X12*x1+X22*x2)^2+C22)A23*(X13*x1+X23*x2)+-1*sqrt(B23*(X13*x1+X23*x2)^2+C23)A24*(...

...able que le indico, le quite la letra que precede a dichos valores y los convierta en números enteros. Dejo un ejemplo de los datos que estoy tratando y de varias opciones de función con las que intento que funcione sin resultado. #Ejemplo > head(road_accidents$Vehicle_Type,10) [1] X2 X11 X11 X19 X11 X11 X11 X11 X11 X11 Levels: X10 X11 X17 X19 X2 X20 X21 X3 X4 X5 X8 X9 X90 X97 X98 #Función Prueba 1 get.integer <- function(x) { road_accidents %>% str_replace(road_accidents$x, 'X','') %>% as.integer(road_accidents$x) } #Función Prueba 2 get.integer2 <-...

...remaining columns X1-Xn should be ordered like this: X1, X2, X3 etc instead of like below. > colnames(pos1) [1] "X" "X1" "X10" "X11" "X12" "X13" "X14" "X15" "X16" "X17" "X18" "X19" "X2" "X20" "X3" "X4" "X5" "X6" "X7" "X8" "X9" > pos1[1:5,1:5] X X1 X10 X11 X12 1 100.5 7949.469 18509.064 8484.969 17401.056 2 101.5 3080.058 7794.691 3211.3...

>> Switching to a clean built on r223853, it still gives me: >> >> ldr x8, [x21,#8] >> stp x21, x8, [x19] >> dmb ishst >> ldr x8, [x19,#8] >> str x19, [x8] >> str x19, [x21,#8] > > Isn't that correct though? The problematic "str" has been folded into > the "stp" instruction, so "x19 + 8" is written before it gets read. In...

...? It looks like it moves the hlist_pprev_rcu(n) access before the > n->pprev assignment. Could be because of an aliasing violation, or it > could be LLVM. The problem is explained below, the reordering causes accessing to uninitialized data. f94006a8 ldr x8, [x21,#8] f9000275 str x21, [x19] d5033abf dmb ishst f9400669 ldr x9, [x19,#8] <==== uninitialized data f9000668 str x8, [x19,#8] <==== initialization f9000133 str x19, [x9] <==== accessing uninitialized address f90006b3 str x19, [x21,#8] > Do you have preprocessed source or LLVM IR handy? (You can get a .i >...

Hello, I have data frames X1 to X19 I want a simple way to bind them as the next run(s) will generate many more sequential data frames. I tried the following with i = 19: > my.list <- as.list(paste("X",1:i,sep="")) > new.data <- do.call("rbind", my.list) > new.data [,1] [1,] &...

...), X16 = c(288.400726318359, 291.029113769531, 289.361907958984, 290.566772460938, 293.554016113281 ), X17 = c(285.665222167969, 288.293029785156, 286.118957519531, 288.105285644531, 291.429382324219), X18 = c(285.971252441406, 288.3798828125, 286.444580078125, 288.495880126953, 291.447326660156 ), X19 = c(288.79296875, 290.357543945312, 289.657928466797, 291.449066162109, 293.095275878906), X20 = c(291.999877929688, 292.838348388672, 293.840362548828, 294.412322998047, 294.941253662109 ), X21 = c(293.615447998047, 294.028106689453, 296.072296142578, 296.447387695312, 295.824615478516), X22 = c(2...

Hi, Checking the llvm test-suite SingleSource/Regression/C++/EH/class_hierarchy testcase on aarch64 I noted something strange: Dump of assembler code for function _Z4funcj: 0x0000000000400650 <+0>: stp x22, x21, [sp,#-48]! 0x0000000000400654 <+4>: stp x20, x19, [sp,#16] 0x0000000000400658 <+8>: stp x29, x30, [sp,#32] 0x000000000040065c <+12>: add x29, sp, #0x20 => 0x0000000000400660 <+16>: .inst 0x2bfffff7 ; undefined Where it should be: 0000000000000000 <_Z4funcj>: 0: a9bd57f6 stp x2...

On Fri, Feb 27, 2015 at 2:13 PM Ahmed Bougacha <ahmed.bougacha at gmail.com> wrote: > On Fri, Feb 27, 2015 at 1:42 PM, Eric Christopher <echristo at gmail.com> > wrote: > > > > > > On Fri, Feb 27, 2015 at 1:38 PM Ahmed Bougacha <ahmed.bougacha at gmail.com > > > > wrote: > >> > >> On Thu, Feb 26, 2015 at 2:33 AM, Kristof Beyls

...24 // =224 stp x28, x27, [sp, #128] // 8-byte Folded Spill stp x26, x25, [sp, #144] // 8-byte Folded Spill stp x24, x23, [sp, #160] // 8-byte Folded Spill stp x22, x21, [sp, #176] // 8-byte Folded Spill stp x20, x19, [sp, #192] // 8-byte Folded Spill stp x29, x30, [sp, #208] // 8-byte Folded Spill ldrsw x8, [x0, #4424] sxtw x10, w2 <------------- w2 is the use of spilled value before spill. sxtw x12, w1 madd x8, x8, x10, x...

...28, x27, [sp, #128] // 8-byte Folded Spill > > stp x26, x25, [sp, #144] // 8-byte Folded Spill > > stp x24, x23, [sp, #160] // 8-byte Folded Spill > > stp x22, x21, [sp, #176] // 8-byte Folded Spill > > stp x20, x19, [sp, #192] // 8-byte Folded Spill > > stp x29, x30, [sp, #208] // 8-byte Folded Spill > > ldrsw x8, [x0, #4424] > > sxtw x10, w2 <------------- w2 is the > use of spilled value before spill. > > sx...

...69531, 289.361907958984, 290.566772460938, 293.554016113281 > > ), X17 = c(285.665222167969, 288.293029785156, 286.118957519531, > > 288.105285644531, 291.429382324219), X18 = c(285.971252441406, > > 288.3798828125, 286.444580078125, 288.495880126953, 291.447326660156 > > ), X19 = c(288.79296875, 290.357543945312, 289.657928466797, > > 291.449066162109, 293.095275878906), X20 = c(291.999877929688, > > 292.838348388672, 293.840362548828, 294.412322998047, 294.941253662109 > > ), X21 = c(293.615447998047, 294.028106689453, 296.072296142578, > > 296.44...

Hi.. i have an expression of the form: model1<-nls(y~beta1*(x1+(k1*x2)+(k1*k1*x3)+(k2*x4)+(k2*k1*x5)+(k2*k2*x6)+(k3*x7)+(k3*k4*x8)+(k3*k2*x9)+(k3*k3*x10)+ (k4*x11)+(k4*k1*x12)+(k4*k2*x13)+(k4*k3*x14)+(k4*k4*x15)+(k5*x16)+(k5*k1*x17)+(k5*k2*x18)+(k5*k3*x19)+ (k5*k4*x20)+(k5*k5*x21)+(k6*x22)+(k6*k1*x23)+(k6*k2*x24)+(k6*k3*x25)+(k6*k4*x26)+(k6*k5*x27)+(k6*k6*x28)+ (k7*x29)+(k7*k1*x30)+(k7*k2*x31)+(k7*k3*x32)+(k7*k4*x33)+(k7*k5*x34)+(k7*k6*x35)+(k7*k7*x36)),x, start=c(beta1=-0.001480981,k1=0.001,k2=0.001,k3=0.001,k4=0...

...SingleSource/Regression/C++/EH/class_hierarchy > testcase on aarch64 I noted something strange: > > Dump of assembler code for function _Z4funcj: > 0x0000000000400650 <+0>: stp x22, x21, [sp,#-48]! > 0x0000000000400654 <+4>: stp x20, x19, [sp,#16] > 0x0000000000400658 <+8>: stp x29, x30, [sp,#32] > 0x000000000040065c <+12>: add x29, sp, #0x20 > => 0x0000000000400660 <+16>: .inst 0x2bfffff7 ; undefined > > Where it should be: > > 00000000000000...

...59, > 291.029113769531, 289.361907958984, 290.566772460938, 293.554016113281 > ), X17 = c(285.665222167969, 288.293029785156, 286.118957519531, > 288.105285644531, 291.429382324219), X18 = c(285.971252441406, > 288.3798828125, 286.444580078125, 288.495880126953, 291.447326660156 > ), X19 = c(288.79296875, 290.357543945312, 289.657928466797, > 291.449066162109, 293.095275878906), X20 = c(291.999877929688, > 292.838348388672, 293.840362548828, 294.412322998047, 294.941253662109 > ), X21 = c(293.615447998047, 294.028106689453, 296.072296142578, > 296.447387695312, 295.8246...

...24 // =224 stp x28, x27, [sp, #128] // 8-byte Folded Spill stp x26, x25, [sp, #144] // 8-byte Folded Spill stp x24, x23, [sp, #160] // 8-byte Folded Spill stp x22, x21, [sp, #176] // 8-byte Folded Spill stp x20, x19, [sp, #192] // 8-byte Folded Spill stp x29, x30, [sp, #208] // 8-byte Folded Spill ldrsw x8, [x0, #4424] sxtw x10, w2 <------------- w2 is the use of spilled value before spill. sxtw x12, w1 madd x8, x8, x10, x...

...7958984, 290.566772460938, 293.554016113281 >> > ), X17 = c(285.665222167969, 288.293029785156, 286.118957519531, >> > 288.105285644531, 291.429382324219), X18 = c(285.971252441406, >> > 288.3798828125, 286.444580078125, 288.495880126953, 291.447326660156 >> > ), X19 = c(288.79296875, 290.357543945312, 289.657928466797, >> > 291.449066162109, 293.095275878906), X20 = c(291.999877929688, >> > 292.838348388672, 293.840362548828, 294.412322998047, 294.941253662109 >> > ), X21 = c(293.615447998047, 294.028106689453, 296.072296142578, >...