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Diffstat (limited to 'docs/CodeGenerator.html')
-rw-r--r-- | docs/CodeGenerator.html | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/CodeGenerator.html b/docs/CodeGenerator.html index 9185563323..60f42607f0 100644 --- a/docs/CodeGenerator.html +++ b/docs/CodeGenerator.html @@ -2019,6 +2019,11 @@ def : InstAlias<"fcomi $reg", (COM_FIr RST:$reg)>; <p>Instruction aliases can also have a Requires clause to make them subtarget specific.</p> +<p>If the back-end supports it, the instruction printer can automatically emit + the alias rather than what's being aliased. It typically leads to better, + more readable code. If it's better to print out what's being aliased, then + pass a '0' as the third parameter to the InstAlias definition.</p> + </div> </div> |