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I don't see how openjdk is related to the openmp pragma. GCC has no problem using FMA if you just let it, avoiding the pragma which simply says "simd".
by gnufx 8y ago
I don't see how openjdk is related to the openmp pragma. GCC has no problem using FMA if you just let it, avoiding the pragma which simply says "simd".
- pjmlp 8y agoI understood that GCC auto-vectorization wouldn't do it currently, and hence gave an example where auto-vectorization does make use of it, assuming I remember Intel's session at CodeONE correctly.