Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

cmd/compile: track pragmas in lexer rather than global variables

Browse source 
By using a Pragma bit set (8 bits) rather than 8 booleans, also
reduce Func type size by 8 bytes (208B -> 200B on 64bit platforms,
116B -> 108B on 32bit platforms).

Change-Id: Ibb7e1f8c418a0b5bc6ff813cbdde7bc6f0013b5a
Reviewed-on: https://go-review.googlesource.com/19966
Reviewed-by: Dave Cheney <dave@cheney.net>
This commit is contained in:
Robert Griesemer 2016-02-26 13:32:28 -08:00
parent 071e43a958
commit 3c0fae5306
10 changed files with 50 additions and 67 deletions
Download patch file Download diff file Expand all files Collapse all files

16
src/cmd/compile/internal/gc/syntax.go
View file

@ -169,18 +169,12 @@ type Func struct {
Depth int32
Endlineno int32
WBLineno int32 // line number of first write barrier
Norace bool // func must not have race detector annotations
Nosplit bool // func should not execute on separate stack
Noinline bool // func should not be inlined
Nowritebarrier bool // emit compiler error instead of write barrier
Nowritebarrierrec bool // error on write barrier in this or recursive callees
Dupok bool // duplicate definitions ok
Wrapper bool // is method wrapper
Needctxt bool // function uses context register (has closure variables)
Systemstack bool // must run on system stack
WBLineno int32 // line number of first write barrier
Pragma Pragma // go:xxx function annotations
Dupok bool // duplicate definitions ok
Wrapper bool // is method wrapper
Needctxt bool // function uses context register (has closure variables)
}
type Op uint8