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author | Austin Clements <austin@google.com> | 2014-11-12 17:19:02 -0500 |
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committer | Austin Clements <austin@google.com> | 2014-11-12 17:19:02 -0500 |
commit | 8c060d9392d44916588780fe976c888f3ba8a60e (patch) | |
tree | fc2b003ecb026fcd792bb17f77aab5ebfc24bb36 | |
parent | 60f66aa817790ee55956552540ca49ea76fc9077 (diff) | |
download | go-8c060d9392d44916588780fe976c888f3ba8a60e.tar.gz go-8c060d9392d44916588780fe976c888f3ba8a60e.zip |
[dev.power64] liblink: improve documentation of struct Prog
LGTM=dave, rsc
R=rsc, dave
CC=golang-codereviews
https://golang.org/cl/169460043
-rw-r--r-- | include/link.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/link.h b/include/link.h index c80f467580..06f3ebb489 100644 --- a/include/link.h +++ b/include/link.h @@ -54,7 +54,7 @@ struct Addr { char sval[8]; float64 dval; - Prog* branch; // for 5g, 6g, 8g + Prog* branch; // for 5g, 6g, 8g, 9g } u; LSym* sym; @@ -89,10 +89,13 @@ struct Prog int32 lineno; Prog* link; short as; - uchar reg; // arm, power64 only - uchar scond; // arm only + uchar scond; // arm only; condition codes + + // operands Addr from; - Addr from3; // power64 only, fma and rlwm + uchar reg; // arm, power64 only (e.g., ADD from, reg, to); + // also used for ADATA width on arm, power64 + Addr from3; // power64 only (e.g., RLWM/FMADD from, reg, from3, to) Addr to; // for 5g, 6g, 8g internal use |