Comments on: More About Rounding On MSVC-x86 http://assemblyrequired.crashworks.org/2009/01/13/sse2-fastest-rounding-on-x86/ Technical Notes On Game Development Wed, 21 Jul 2010 18:22:16 -0700 http://wordpress.org/?v=2.9.2 hourly 1 By: Yuhong Bao http://assemblyrequired.crashworks.org/2009/01/13/sse2-fastest-rounding-on-x86/comment-page-1/#comment-3519 Yuhong Bao Sun, 12 Apr 2009 20:26:08 +0000 http://assemblyrequired.crashworks.org/?p=166#comment-3519 SSE3 have FISTTP which allows direct access to truncation mode when using the x87 stack. SSE3 have FISTTP which allows direct access to truncation mode when using the x87 stack.

]]> By: cb http://assemblyrequired.crashworks.org/2009/01/13/sse2-fastest-rounding-on-x86/comment-page-1/#comment-63 cb Wed, 14 Jan 2009 00:45:24 +0000 http://assemblyrequired.crashworks.org/?p=166#comment-63 IMO the biggest win from the sse conversions is that you have direct access to round-to-int and trunc-to-int without changing FPU mode or checking for negatives. IMO the biggest win from the sse conversions is that you have direct access to round-to-int and trunc-to-int without changing FPU mode or checking for negatives.

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