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| author | Benjamin Maurer <maurer.benjamin@gmail.com> | 2021-01-29 06:18:53 -0500 |
|---|---|---|
| committer | Benjamin Maurer <maurer.benjamin@gmail.com> | 2021-01-29 06:18:53 -0500 |
| commit | 6fe8d50a34a594749cf32f44cfb3c2627753def7 (patch) | |
| tree | 23a4ef6e6e032252798dda894e1f1f011a33013d | |
| parent | 5140841ca1acaeaeef893233ae3d08ce4573b01b (diff) | |
| download | haskell-ghc-9.0-docfix-fregs-graph.tar.gz | |
Fix description of -fregs-graph (not implied by -O2, linked issue was closed)ghc-9.0-docfix-fregs-graph
| -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 403faa342e..5a29c4191d 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. |