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Quick Lists
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Bug ID:
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4719414
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Votes
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3
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Synopsis
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Use x86 SSE and SSE2 instructions for FP computation
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Category
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hotspot:compiler2
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Reported Against
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mantis
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Release Fixed
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1.4.2(mantis)
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State
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10-Fix Delivered,
request for enhancement
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Priority:
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4-Low
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Related Bugs
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Submit Date
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23-JUL-2002
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Description
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C2 makes particularlly bad FP code on Intel because we do not fully support the Intel FPU stack model. We should use the Intel SSE registers instead.
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Work Around
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N/A
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Evaluation
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Performance improvement of 70% on mepgaudio, 10% on mtrt, nearly 2x for SciMark codes on P4's.
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Comments
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PLEASE NOTE: JDK6 is formerly known as Project Mustang
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