03.03.2013 Views

Intel® Architecture Instruction Set Extensions Programming Reference

Intel® Architecture Instruction Set Extensions Programming Reference

Intel® Architecture Instruction Set Extensions Programming Reference

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

FI<br />

For i = 0 to MAXVL -1{<br />

n = 64*i;<br />

DEST[n+31:n] RoundFPControl_MXCSR(SRC2[n+31:n]*SRC3[n+31:n] - DEST[n+31:n])<br />

DEST[n+63:n+32] RoundFPControl_MXCSR(SRC2[n+63:n+32]*SRC3[n+63:n+32] + DEST[n+63:n+32])<br />

}<br />

IF (VEX.128) THEN<br />

DEST[VLMAX-1:128] 0<br />

FI<br />

Intel C/C++ Compiler Intrinsic Equivalent<br />

VFMADDSUB132PS: __m128 _mm_fmaddsub_ps (__m128 a, __m128 b, __m128 c);<br />

VFMADDSUB213PS: __m128 _mm_fmaddsub_ps (__m128 a, __m128 b, __m128 c);<br />

VFMADDSUB231PS: __m128 _mm_fmaddsub_ps (__m128 a, __m128 b, __m128 c);<br />

VFMADDSUB132PS: __m256 _mm256_fmaddsub_ps (__m256 a, __m256 b, __m256 c);<br />

VFMADDSUB213PS: __m256 _mm256_fmaddsub_ps (__m256 a, __m256 b, __m256 c);<br />

VFMADDSUB231PS: __m256 _mm256_fmaddsub_ps (__m256 a, __m256 b, __m256 c);<br />

SIMD Floating-Point Exceptions<br />

Overflow, Underflow, Invalid, Precision, Denormal<br />

Other Exceptions<br />

See Exceptions Type 2<br />

INSTRUCTION SET REFERENCE - FMA<br />

Ref. # 319433-014 6-17

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!