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[SYCL] Add more details about the -fintelfpga option #1218

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Mar 3, 2020
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[SYCL] Add more details about the -fintelfpga option #1218

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10 changes: 9 additions & 1 deletion sycl/doc/SYCLCompilerUserManual.md
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Expand Up @@ -112,7 +112,15 @@ your application.

**`-fintelfpga`**

Perform ahead of time compilation for FPGA.
Perform ahead of time compilation for Intel FPGA, which relies on the external tool `aoc`
being available in the `PATH`.

This option is roughly equivalent to `-fsycl-targets=spir64_fpga-unknown-unknown-sycldevice -g -MMD -lOpenCL`.

It is incompatible with `-fsycl-targets=...`; if ahead of time compilation
is needed for multiple backends (e.g. Intel FPGA, Intel GPU, etc.), the
alternative form based on `-fsycl-targets=spir64_fpga-unknown-unknown-sycldevice`
should be used instead.

**`-fsycl-link=<value>`**

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