similar to: as.numeric is truncating!

Hi, In PromoteIntOp_STORE, why can we not promote a value and generate a truncating store if the incoming store is a truncating store? Naively, I can't see why we can promote the incoming value to a legal type and then generate a truncating store. For example, one has incoming code that produces an i16 via some operation and does a truncating store the result of that value in i8.

In LegalizeDAG.cpp, truncating stores are custom-lowered in line 1314-1317: 1314 case TargetLowering::Custom: 1315 ReplaceNode(SDValue(Node, 0), 1316 TLI.LowerOperation(SDValue(Node, 0), DAG)); 1317 break; Is there a reason it doesn't check whether the SDValue returned from TargetLowering::LowerOperation is null before it replaces the

For example, truncating store of an i32 to i6. My assumption was that this should write the low six bits of the i32 to somewhere in memory. Should the top 24 bits of a corresponding 32 bit region of memory be unchanged, zero, undefined? Should the two bits that would round the i6 up to a byte be preserved, zero, undefined? I can't write six bits directly so am trying to determine what set

Hi Mon Ping, > In PromoteIntOp_STORE, why can we not promote a value and generate a > truncating store if the incoming store is a truncating store? as far as I can see you can just remove the assertion. Ciao, Duncan.

Hi Akira, On 01/06/12 02:27, Hatanaka, Akira wrote: > In LegalizeDAG.cpp, truncating stores are custom-lowered in line 1314-1317: > > 1314 case TargetLowering::Custom: > 1315 ReplaceNode(SDValue(Node, 0), > 1316 TLI.LowerOperation(SDValue(Node, 0), DAG)); > 1317 break; > > Is there a reason it doesn't check whether the

I couldn't find anything in the chron or timeDate packages, and a good search yielded rounding to the nearest half hour, which I don't want. The data: structure(list(Date = structure(c(1209625080, 1209641460, 1209652500, 1209676800, 1209682860, 1209692100, 1209706980, 1209722580, 1209726300, 1209739620, 1209762780, 1209765720, 1209770520, 1209791040, 1209812580, 1209829920,

Hi, Our target only has native support for i32 and f32 types. For data types smaller than these, I have to custom lowering truncating store using two atomic load instruction (which have the same semantics as ISD::ATOMIC_LOAD_AND and ATOMIC_LOAD_OR, respectively). I run into a problem during the legalization process, where the legalizer complains that ISD::STORE and ISD::ATOMIC_LOAD_OR (generated

Hi all, Simple question which i thought i had the answer but it isnt so simple for some reason. I am sure someone can easily help. I would like to categorize the values in NP into 1 of the five values in "Per", with the last category("4") representing values >=4(hence 4:max(NP)). The problem is that R is reading max(NP) as multiple values instead of range so the

OK, I'm clear on scalars. Data races are thankfully OK in this context. Densely packing vectors sounds efficient and is clear in the case where lanes * width is a multiple of 8 bits. I don't think I understand how it works in other cases. If we could take store <4 x i8> truncating to <4 x i7> as an example. This can be converted into four scalar i8 -> i7 stores with

On 9/15/2017 5:49 AM, Jon Chesterfield via llvm-dev wrote: > For example, truncating store of an i32 to i6. My assumption was that > this should write the low six bits of the i32 to somewhere in memory. > > Should the top 24 bits of a corresponding 32 bit region of memory be > unchanged, zero,  undefined? Unchanged. > Should the two bits that would round the i6 up to a byte

On 09/15/2017 10:55 AM, Friedman, Eli via llvm-dev wrote: > On 9/15/2017 5:49 AM, Jon Chesterfield via llvm-dev wrote: >> For example, truncating store of an i32 to i6. My assumption was that this should write the low six bits of the i32 to somewhere in memory. >> >> Should the top 24 bits of a corresponding 32 bit region of memory be unchanged, zero, undefined? > >

Hello, I am relatively new to R and have a rudimentary question, I think. How does one truncate the number of digits displayed after the decimal when viewing the results of analyses? My apologies if this question has been answered previously, I was not able to find references very easily. Thank you in advance, Matt [[alternative HTML version deleted]]

Hi, Consider the following example. > a = c(1,2,3); b = c(4,5,6); c = cbind(a,b); c[(2 < c[,1]) & (c[,1] < 4),] a b 3 6 So, the idea is to select rows for which the value in the first column is between 2 and 4. This works, however, I don't like having to reference a explicitly in this fashion, and just wondered if there was a preferred way to accomplish the same thing.

I am new to R. I thing this will be simple, but I don't yet know my way around. I am generating character strings from the system clock that represent integers, and I want to convert them to integer values. Strtoi works well, except when there are leading zeros on the string. Could anyone suggest a way to remove those leading zeros? Thanks Paul -- E. Paul Wileyto, Ph.D.

Problem solved by returning the second result of the ATOMIC_LOAD_OR node... On Wed, May 30, 2012 at 9:38 PM, Lei Mou <lei.mou.uu at gmail.com> wrote: > Hi, > > Our target only has native support for i32 and f32 types. For data > types smaller than these, I have to custom lowering truncating store > using two atomic load instruction (which have the same semantics as >

Hi Lei, Le 31/05/2012 03:44, Lei Mou a écrit : > Problem solved by returning the second result of the ATOMIC_LOAD_OR node... You got the chain instead of the loaded value. IMHO, a better solution would have been to add a Pat<> rule to match truncstores and expand them into target store/load/and/or. Pat : <(truncstore16 GPR:$val, MEM:$mem), (store MEM:$mem, (or

I''ve got a fairly basic problem here that I''m hoping there is an easy solution for. I have a chunk of html code that I want to truncate to a given length... say 20 characters or so. If I use the ''truncate'' helper function I end up with unbalanced tags. For example. <a href=www.someplace.com>A really long string of words</a> becomes <a

They are starting to look complicated. The patch linked is interesting, perhaps v1 vectors are special cased. It shouldn't be too onerous to work out what one or two in tree back ends do by experimentation. Thanks again, it's great to have context beyond the source. On Fri, Sep 15, 2017 at 9:41 PM, Friedman, Eli <efriedma at codeaurora.org> wrote: > On 9/15/2017 12:10 PM, Jon

COnsider the following: Age<-c(48, 57, 56, 76, 76, 66, 70, 14, 7, 3, 62, 62, 30, 10, 7, 53, 44, 29, 46, 47, 15, 13, 84, 77, 26) SerialNo<-c(001147, 005979, 005979, 006128, 006128, 007004, 007004, 007004, 007004, 007004, 007438, 007438,009402,009402, 009402, 012693, 012693, 012693, 014063,014063, 014063, 014063, 014811, 014811,016570) TestSet<-cbind(Age,SerialNo)

I'm having problems with this example, it is posted with reproduceable code below, both with the normal 0-6 scale and the desired 3-6 scale (with bars removed). How can I get the graph to have the desired 3-6 scale without removing the bars. Thanks! #Data