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| author | Russ Cox <rsc@golang.org> | 2010-07-01 12:36:29 -0700 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2010-07-01 12:36:29 -0700 |
| commit | e5009e29eaea99017b314f6b1e97cf6b56eb15fd (patch) | |
| tree | 46d5525b6c16d2c09e7ebe91ce6e218f6896afb4 | |
| parent | bf1098273923e897184e70ab2488cecf15a4c8c1 (diff) | |
| download | go-e5009e29eaea99017b314f6b1e97cf6b56eb15fd.tar.gz go-e5009e29eaea99017b314f6b1e97cf6b56eb15fd.zip | |
6a: assemble CMPPD as 6l expects
libmach: disassemble CMPPD as 6a expects
R=ken2
CC=Charlie Dorian, golang-dev
https://golang.org/cl/1704046
| -rw-r--r-- | src/cmd/6a/a.y | 2 | ||||
| -rw-r--r-- | src/libmach/8db.c | 13 |
2 files changed, 11 insertions, 4 deletions
diff --git a/src/cmd/6a/a.y b/src/cmd/6a/a.y index c48246072d..804f638a07 100644 --- a/src/cmd/6a/a.y +++ b/src/cmd/6a/a.y @@ -260,7 +260,7 @@ spec8: /* CMPPS/CMPPD */ { $$.from = $1; $$.to = $3; - $$.from.offset = $5; + $$.to.offset = $5; } spec9: /* shufl */ diff --git a/src/libmach/8db.c b/src/libmach/8db.c index ba14dfc3c3..92e4c7694f 100644 --- a/src/libmach/8db.c +++ b/src/libmach/8db.c @@ -695,7 +695,7 @@ static Optable optab0F[256]= [0xB1] RM,0, "CMPXCHG%S %r,%e", [0xC0] RMB,0, "XADDB %r,%e", [0xC1] RM,0, "XADD%S %r,%e", -[0xC2] RM,Ib, "CMP%s %i,%x,%X", +[0xC2] RM,Ib, "CMP%s %x,%X,%#i", [0xC3] RM,0, "MOVNTI%S %r,%e", [0xC6] RM,Ib, "SHUF%s %i,%x,%X", [0xC8] 0,0, "BSWAP AX", @@ -2074,6 +2074,7 @@ pea(Instr *ip) static void prinstr(Instr *ip, char *fmt) { + int sharp; vlong v; if (ip->prefix) @@ -2083,7 +2084,12 @@ prinstr(Instr *ip, char *fmt) *ip->curr++ = *fmt; continue; } - switch(*++fmt){ + sharp = 0; + if(*++fmt == '#') { + sharp = 1; + ++fmt; + } + switch(*fmt){ case '%': *ip->curr++ = '%'; break; @@ -2107,7 +2113,8 @@ prinstr(Instr *ip, char *fmt) bprint(ip,"%s", ONAME(ip)); break; case 'i': - bprint(ip, "$"); + if(!sharp) + bprint(ip, "$"); v = ip->imm; if(ip->rex & REXW) v = ip->imm64; |