similar to: [LLVMdev] llvm-gcc cannot emit @llvm.pow.* ?

Hi, > Current llvm-gcc cannot emit llvm intrinsic function like llvm.pow.* and > llvm.sin.* > For example: > > double foo(double x, double y) { > return pow(x,y); > } > > will compiled into ll: > > define double @foo(double %x, double %y) { > %tmp3 = tail call double @pow( double %x, double %y ) > ret double %tmp3 > } > > This is not

2007/11/22, Duncan Sands <baldrick at free.fr>: > > Hi, > > > Current llvm-gcc cannot emit llvm intrinsic function like llvm.pow.* and > > llvm.sin.* > > For example: > > > > double foo(double x, double y) { > > return pow(x,y); > > } > > > > will compiled into ll: > > > > define double @foo(double %x, double %y) {

PS: It is possible that the C front-end doesn't need to explicitly produce BUILT_IN_POW because it is auto-synthesized somehow from a call to "pow". I wouldn't know. One way to find out is to compile a testcase and rummage around inside the gcc trees when they hit llvm-convert.

Hi, 2007/11/22, Duncan Sands <baldrick at free.fr>: > > PS: It is possible that the C front-end doesn't need to > explicitly produce BUILT_IN_POW because it is auto-synthesized > somehow from a call to "pow". I wouldn't know. One way to > find out is to compile a testcase and rummage around inside > the gcc trees when they hit llvm-convert. Yes, they

Hi, > Sure. But now the question is the llvm-gcc will not emit llvm.pow.* anytime. indeed there seems to be no code in llvm-gcc to do so, though there is code for raising to an integer power (in llvm-convert). Please feel free to investigate and add some. Presumably it should turn gcc's BUILT_IN_POW into llvm.pow.*. That said, as far as I can see the C front-end doesn't generate

Hi, Here is C function: uint64_t mul(uint32_t x, uint32_t y) { return x * y; } current llvm-gcc-4.0 with -O3 will compile it to: define i64 @mul(i32 %x, i32 %y) nounwind { entry: %tmp3 = mul i32 %y, %x ; <i32> [#uses=1] %tmp34 = zext i32 %tmp3 to i64 ; <i64> [#uses=1] ret i64 %tmp34 } This seems incorrect. I think it should extend %x, %y to i64 first and

> On Jan 12, 2017, at 5:03 AM, Antoine Pitrou via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > On Mon, 9 Jan 2017 11:43:17 -0600 > Wei Ding via llvm-dev <llvm-dev at lists.llvm.org> wrote: >> Hi, >> >> I want an efficient way to implement function pow in LLVM instead of >> invoking pow() math built-in. For algorithm part, I am clear for the

> On Jan 12, 2017, at 12:58 PM, Friedman, Eli via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > On 1/12/2017 9:33 AM, Mehdi Amini via llvm-dev wrote: >>> On Jan 12, 2017, at 5:03 AM, Antoine Pitrou via llvm-dev <llvm-dev at lists.llvm.org> wrote: >>> >>> On Mon, 9 Jan 2017 11:43:17 -0600 >>> Wei Ding via llvm-dev <llvm-dev at

> On Jan 12, 2017, at 2:21 PM, Mehdi Amini <mehdi.amini at apple.com> wrote: > > >> On Jan 12, 2017, at 11:04 AM, Steve (Numerics) Canon <scanon at apple.com <mailto:scanon at apple.com>> wrote: >> >>> >>> On Jan 12, 2017, at 12:58 PM, Friedman, Eli via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>>

Hi, we have two modules, one that we basically use as a library in which we store a lot of simple function calls, the other is small program generated at run-time. Whenever a function call for to one of the builtin functions is being called we use CloneFunction to clone the instruction from the library module and insert it in the generated module. The problem is for example when we have

Hi, I want an efficient way to implement function pow in LLVM instead of invoking pow() math built-in. For algorithm part, I am clear for the logic. But I am not quite sure for which parts of LLVM should I replace built-in pow with another efficient pow implementation. Any comments and feedback are appreciated. Thanks! -- Wei Ding -------------- next part -------------- An HTML attachment was

https://bugs.freedesktop.org/show_bug.cgi?id=89758 Bug ID: 89758 Summary: pow WebGL Conformance test with mesa drivers Product: Mesa Version: unspecified Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: Drivers/DRI/nouveau Assignee: nouveau at

I have a very simple test case on Windows that shows some surprising behavior. This doesn't seem to be a problem on Linux. The example is: #include <stdio.h> #include <math.h> double heat(double Pr) { return pow(Pr, 0.33); } int main(int argc, char **argv) { double Nu = heat(291.00606180486119); printf("%.20f\n", Nu); } I've tested with MinGW's gcc.exe

hello, I have a graph and i use qgraph package to calculate centrality parameters. Now I want to know the maximum value of shortest path for each vertex with discarding the Inf value in short pathes. For this I use the ShortestPathLengths of centrality function in qgraph. but when I want to get the maximum the result is wrong. here is my code: cen<-centrality(Q)

Hi, I was looking at some bugs to play with, and I started with http://llvm.org/bugs/show_bug.cgi?id=18606 As I commented there, a loop is unrolled and exhibit this pattern: %mul.1 = mul i32 %mul, %mul %mul.2 = mul i32 %mul.1, %mul.1 .... With an unroll factor of 32, the last multiply has 2^32 terms in its SCEV expression. (I mean I expect it would have those terms if I was patient

Hard to follow data analysis without data. Try making your example reproducible [1][2][3] and post in plain text (a setting in your emailer). Read the Posting Guide mentioned in the footer to avoid other posting pitfalls. [1] http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example [2] http://adv-r.had.co.nz/Reproducibility.html [3]

On 2/7/14, 10:24 AM, Andrew Trick wrote: > > On Feb 5, 2014, at 12:54 AM, Mehdi Amini <mehdi.amini at silkan.com > <mailto:mehdi.amini at silkan.com>> wrote: > >> Hi, >> >> I was looking at some bugs to play with, and I started with >> http://llvm.org/bugs/show_bug.cgi?id=18606 >> >> As I commented there, a loop is unrolled and exhibit

I set up a new project on my computer and created the development link. I am very new to Ruby and just need help in determining where to look to solve the issues I am having getting access to the project. Here are the errors I get when trying to visit my application: Bundler::GemNotFound: Could not find rake-0.9.2.2 in any of the sources

On 01/29/2013 07:58 PM, Nadav Rotem wrote: > > On Jan 29, 2013, at 12:51 AM, Tobias Grosser <tobias at grosser.es > <mailto:tobias at grosser.es>> wrote: > >> >> # ignore assumed dependences. >> for (i = 0; i < 4; i++) { >> tmp1 = A[3i+1]; >> tmp2 = A[3i+2]; >> tmp3 = tmp1 + tmp2; >> A[3i] = tmp3; >> } >>

Hi R-users, I'm quite new to R and trying to learn the basics. I have a following problem concerning the convertion of array object into data frame. I have made following data sets tmp1 <- rnorm(100) tmp2 <- gl(10,2,length=100) tmp3 <- as.data.frame(cbind(tmp1,tmp2)) tmp3.sum <- tapply(tmp3$tmp1,tmp3$tmp2,sum) tmp3.sum <- as.data.frame(tapply(tmp1,tmp2,sum)) and I want the