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Add heap_addr custom legalization.

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The expansion of a heap_addr instruction depends on the type of heap and
its configuration, so this is handled by custom code.

Add a couple examples of heap access code to the language reference
manual.
This commit is contained in:
Jakob Stoklund Olesen
2017-08-24 14:04:35 -07:00
parent 3b71a27632
commit aae946128b
9 changed files with 250 additions and 10 deletions
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17
cranelift/docs/cton_lexer.py
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@@ -31,16 +31,13 @@ class CretonneLexer(RegexLexer):
bygroups(Comment.Single, Comment.Special, Comment.Single)),
# Plain comments.
(r';.*?$', Comment.Single),
# Strings are in double quotes, support \xx escapes only.
(r'"([^"\\]+|\\[0-9a-fA-F]{2})*"', String),
# A naked function name following 'function' is also a string.
(r'\b(function)([ \t]+)(\w+)\b',
bygroups(Keyword, Whitespace, String.Symbol)),
# Strings are prefixed by % or # with hex.
(r'%\w+|#[0-9a-fA-F]*', String),
# Numbers.
(r'[-+]?0[xX][0-9a-fA-F]+', Number.Hex),
(r'[-+]?0[xX][0-9a-fA-F]*\.[0-9a-fA-F]*([pP]\d+)?', Number.Hex),
(r'[-+]?(\d+\.\d+([eE]\d+)?|s?NaN|Inf)', Number.Float),
(r'[-+]?\d+', Number.Integer),
(r'[-+]?0[xX][0-9a-fA-F_]+', Number.Hex),
(r'[-+]?0[xX][0-9a-fA-F_]*\.[0-9a-fA-F_]*([pP]\d+)?', Number.Hex),
(r'[-+]?([0-9_]+\.[0-9_]+([eE]\d+)?|s?NaN|Inf)', Number.Float),
(r'[-+]?[0-9_]+', Number.Integer),
# Known attributes.
(keywords('uext', 'sext'), Name.Attribute),
# Well known value types.
@@ -48,7 +45,7 @@ class CretonneLexer(RegexLexer):
# v<nn> = value
# ss<nn> = stack slot
# jt<nn> = jump table
(r'(v|ss|jt)\d+', Name.Variable),
(r'(v|ss|gv|jt|fn|sig|heap)\d+', Name.Variable),
# ebb<nn> = extended basic block
(r'(ebb)\d+', Name.Label),
# Match instruction names in context.