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digitalmars.D.bugs - [Issue 7951] New: DMD: Internal error: backend/cgxmm.c 567

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=7951

           Summary: DMD: Internal error: backend/cgxmm.c 567
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: suicidenet xited.de


--- Comment #0 from Zoadian <suicidenet xited.de> 2012-04-20 11:26:25 PDT ---
DMD 2.059 exits compilation with
tym = x1d
Internal error: backend/cgxmm.c 567

Code:


import std.stdio;
import std.math;
import core.simd;
import std.datetime;

T[D] simdAdd(T, int D)(T[D] a1, T[D] a2) {
    T[D] res;
    float4 v1;
    float4 v2;
    v1.array = a1;
    v2.array = a2;
    float4 r;

    string gen() {
        string s;
        foreach(i;0..D)
        {
            s ~= "";
        }
        return s;
    }
    //foreach(i;0..10)
        //r = v1+v2;//__simd(XMM.ADDPS, v1,v2);
    return cast(float[4])(v1+v2);
}

T[D] addV(T, int D)(T[D] a1, T[D] a2) {
    T[D] r;
    //foreach(x;0..10)
        foreach(i;0..D)
            r[i] = a1[i]+a2[i];
    return r;
}


void main()
{
    float[4] v1 = [1,2,3,4];
    float[4] v2 = [1,2,3,4];
    void test1(){addV(v1,v2);}
    void test2(){simdAdd(v1,v2);}


    //~ writeln("STD: ",
benchmark!(addS!(int,4)([1,2,3,4],[1,2,3,4]))(10_000_000));
    writeln("_VEC: ", benchmark!(test1)(10_000_000));
    writeln("SIMD: ", benchmark!(test2)(10_000_000));
}

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--- Comment #2 from SomeDude <lovelydear mailmetrash.com> 2012-04-21 13:47:49
PDT ---
Even more reduced:

import std.stdio;
import std.math;
import core.simd;

void main()
{
    float[4] v1 = [1,2,3,4];
    float[4] v2 = [1,2,3,4];
    float4 f1, f2, f3;
    f1.array = v1;
    f2.array = v2;
    f3 = f1 + f2;
}

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--- Comment #3 from github-bugzilla puremagic.com 2012-04-21 18:37:04 PDT ---
Commit pushed to dmd-1.x at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/54749dd2bab17927acb752d844f6b6e84b9a65c5
fix Issue 7951 - DMD: Internal error: backend/cgxmm.c 567

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--- Comment #4 from github-bugzilla puremagic.com 2012-04-21 18:37:17 PDT ---
Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/bba8e8faa1ab09f2b87fad00e47f46ae6bb91c22
fix Issue 7951 - DMD: Internal error: backend/cgxmm.c 567

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Walter Bright <bugzilla digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |bugzilla digitalmars.com
         Resolution|                            |FIXED


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