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| author | Benjamin Maurer <maurer.benjamin@gmail.com> | 2021-01-29 06:18:53 -0500 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2021-01-30 14:14:17 -0500 |
| commit | eb90d23911ee10868dc2c7cc27a8397f0ae9b41d (patch) | |
| tree | ad121b5bf6aec8519fb92eefb896988221a4092e | |
| parent | a3d995fa18079ac31623febc8f41297c9acfb6a5 (diff) | |
| download | haskell-eb90d23911ee10868dc2c7cc27a8397f0ae9b41d.tar.gz | |
Fix description of -fregs-graph (not implied by -O2, linked issue was closed)
| -rw-r--r-- | docs/users_guide/using-optimisation.rst | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/docs/users_guide/using-optimisation.rst b/docs/users_guide/using-optimisation.rst index 06ac89c0c2..d450fce141 100644 --- a/docs/users_guide/using-optimisation.rst +++ b/docs/users_guide/using-optimisation.rst @@ -747,7 +747,7 @@ by saying ``-fno-wombat``. .. ghc-flag:: -fregs-graph :shortdesc: Use the graph colouring register allocator for register - allocation in the native code generator. Implied by :ghc-flag:`-O2`. + allocation in the native code generator. :type: dynamic :reverse: -fno-regs-graph :category: @@ -760,9 +760,6 @@ by saying ``-fno-wombat``. The downside being that the linear register allocator usually generates worse code. - Note that the graph colouring allocator is a bit experimental and may fail - when faced with code with high register pressure :ghc-ticket:`8657`. - .. ghc-flag:: -fregs-iterative :shortdesc: Use the iterative coalescing graph colouring register allocator in the native code generator. |