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ZDOTU: BLAS TEST failed on x86 32bits #9

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xianyi opened this issue Feb 23, 2011 · 1 comment
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ZDOTU: BLAS TEST failed on x86 32bits #9

xianyi opened this issue Feb 23, 2011 · 1 comment
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@xianyi
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xianyi commented Feb 23, 2011

Outputs:
Test of subprogram number 2 ZDOTU
FAIL

CASE N INCX INCY MODE I COMP(I) TRUE(I) DIFFERENCE SIZE(I)

2  1    1    1 9999  1                     -0.48000000D+00                     -0.60000000D-01 -0.4200D+00  0.9000D+00
2  1    1    1 9999  2                      0.00000000D+00                     -0.90000000D+00  0.9000D+00  0.9000D+00

Platform:
Intel Core 2 Q8400
Ubuntu 10.04 32bits
@xianyi
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xianyi commented Mar 2, 2011

On x86 32bits, gcc 4.4.3 generated wrong codes (movsd) from movlps in zdot_sse2.S line 191.
This would casue zdotu & zdotc failures. Instead, use movlpd to walk around it. Closed by 36016fe. Closed by 36016fe.

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martin-frbg added a commit that referenced this issue Jan 26, 2021
@martin-frbg
Merge pull request #9 from xianyi/develop
e3ff4cd 
rebase
@matrix97317 matrix97317 mentioned this issue Apr 29, 2021
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@alicezanella alicezanella mentioned this issue Jun 15, 2021
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