AMD x86-64 Architecture Programmer's Manual, Volume 4, 128-Bit ...

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AMD64 Technology 26568—Rev. 3.05—September 2003 Exception Real Underflow exception (UE) X X X A rounded result was too small to fit into the format of the destination operand. Denormalized-operand exception (DE) X X X A source operand was a denormal value. Precision exception (PE) X X X A result could not be represented exactly in the destination format. 192 MULPD Virtual 8086 Protected Cause of Exception
26568—Rev. 3.05—September 2003 AMD64 Technology MULPS Multiply Packed Single-Precision Floating-Point Multiplies each of the four packed single-precision floating-point values in first source operand by the corresponding packed single-precision floating-point value in the second source operand and writes the result of each multiplication operation in the corresponding doubleword of the destination (first source). The first source/destination operand is an XMM register. The second source operand is another XMM register or 128-bit memory location. Mnemonic Opcode Description MULPS xmm1, xmm2/mem128 0F 59 /r Multiplies packed single-precision floating-point values in an XMM register and another XMM register or 128-bit memory location and writes the results in the destination XMM register. Related Instructions MULPD, MULSD, MULSS, PFMUL rFLAGS Affected None multiply multiply xmm1 xmm2/mem128 127 96 95 64 63 32 31 0 multiply multiply 127 96 95 64 63 32 31 0 mulps.eps MULPS 193
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