From 82d61a18d5b6d6697fb03d8a6f7b289784b1b6fb Mon Sep 17 00:00:00 2001 From: Jim Laskey Date: Mon, 17 Oct 2005 12:19:10 +0000 Subject: [PATCH] As requested, a blurb on sub-targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23769 91177308-0d34-0410-b5e6-96231b3b80d8 --- docs/CodeGenerator.html | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/docs/CodeGenerator.html b/docs/CodeGenerator.html index 39eecc12898..0e63faca3cc 100644 --- a/docs/CodeGenerator.html +++ b/docs/CodeGenerator.html @@ -444,7 +444,11 @@ href="TableGenFundamentals.html">TableGen description of the register file.

- TODO +

The TargetSubtarget class is used to provide information about the + specific chip set being targeted. A sub-target informs code generation of + which instructions are supported, instruction latencies and instruction + execution itinerary; i.e., which processing units are used, in what order, and + for how long.