ia-32_volume1_basic-arch

And data types 12 1

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Unformatted text preview: . . . . . . . . . . . . . . .12-1 12.1.2 Compatibility of SSE3/SSSE3 with MMX Technology, the x87 FPU Environment, and SSE/SSE2 Extensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-2 12.1.3 Horizontal and Asymmetric Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-2 12.2 OVERVIEW OF SSE3 INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3 12.3 SSE3 INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3 12.3.1 x87 FPU Instruction for Integer Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-4 12.3.2 SIMD Integer Instruction for Specialized 128-bit Unaligned Data Load . . . . . . . . . . . . .12-4 12.3.3 SIMD Floating-Point Instructions That Enhance LOAD/MOVE/DUPLICATE Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-4 12.3.4 SIMD Floating-Point Instructions Provide Packed Addition/Subtraction. . . . . . . . . . . . .12-5 12.3.5 SIMD Floating-Point Instructions Provide Horizontal Addition/Subtraction . . . . . . . . .12-5 12.3.6 Two Thread Synchronization Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-7 12.4 WRITING APPLICATIONS WITH SSE3 EXTENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-7 12.4.1 Guidelines for Using SSE3 Extensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-7 12.4.2 Checking for SSE3 Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-7 12.4.3 Enable FTZ and DAZ for SIMD Floating-Point Computation . . . . . . . . . . . . . . . . . . . . . . . .12-9 12.4.4 Programming SSE3 with SSE/SSE2 Extensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-9 12.5 OVERVIEW OF SSSE3 INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-9 12.6 SSSE3 INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-10 12.6.1 Horizontal Addition/Subtraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-10 Vol. 1 xiii CONTENTS PAGE 12.6.2 12.6.3 12.6.4 12.6.5 12.6.6 12.6.7 12.7 12.7.1 12.7.2 12.8 12.8.1 12.8.2 12.8.3 Packed Absolute Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-11 Multiply and Add Packed Signed and Unsigned Bytes. . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-12 Packed Multiply High with Round and Scale. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-12 Packed Shuffle Bytes ....
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This note was uploaded on 10/01/2013 for the course CPE 103 taught by Professor Watlins during the Winter '11 term at Mississippi State.

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