diff options
| -rw-r--r-- | libstdc++-v3/testsuite/experimental/simd/README.md | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libstdc++-v3/testsuite/experimental/simd/README.md b/libstdc++-v3/testsuite/experimental/simd/README.md index db0d71f..b82453d 100644 --- a/libstdc++-v3/testsuite/experimental/simd/README.md +++ b/libstdc++-v3/testsuite/experimental/simd/README.md @@ -11,7 +11,7 @@ the environment variables documented below. ### `target_list` Similar to dejagnu target lists: E.g. -`target_list="unix{-march=sandybridge,-march=native/-ffast-math,-march=native/-ffinite-math-only}" +`target_list="unix{-march=sandybridge,-march=native/-ffast-math,-march=native/-ffinite-math-only}"` would create three subdirs in `testsuite/simd/` to run the complete simd testsuite first with `-march=sandybridge`, then with `-march=native -ffast-math`, and finally with `-march=native -ffinite-math-only`. @@ -21,7 +21,7 @@ testsuite first with `-march=sandybridge`, then with `-march=native This variable can be set to a path to a file which is equivalent to a dejagnu board. The file needs to be a valid `sh` script since it is sourced from the -`scripts/check_simd` script. It's purpose is to set the `target_list` variable +`scripts/check_simd` script. Its purpose is to set the `target_list` variable depending on `$target_triplet` (or whatever else makes sense for you). Example: ```sh @@ -52,7 +52,7 @@ the `target_list` variable. In the example above `define_target power7 `power7` which always uses the flags `-mcpu=power7` and `-static` when compiling tests and prepends `$HOME/bin/run_on_gccfarm gcc112` to test executables. In `target_list` you can now use the name `power7`. E.g. -`target_list="power7 power7/-ffast-math"` or it's shorthand +`target_list="power7 power7/-ffast-math"` or its shorthand `target_list="power7{,-ffast-math}"`. @@ -109,7 +109,7 @@ A test starts with the copyright header, directly followed by directives influencing the set of tests to generate and whether the test driver should expect a failure. -Then the test must at least `#include "bits/verify.h", which provides `main` +Then the test must at least `#include "bits/verify.h"`, which provides `main` and declares a `template <typename V> void test()` function, which the test has to define. The template parameter is set to `simd<T, Abi>` type where `T` and `Abi` are determined by the type and ABI subset dimensions. |