diff options
author | Austin Clements <austin@google.com> | 2014-10-28 10:14:19 -0400 |
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committer | Austin Clements <austin@google.com> | 2014-10-28 10:14:19 -0400 |
commit | c2364b58cc482cf12ab675763e0857e58e92a43a (patch) | |
tree | bcbc25859364725c7f8408778996827827a1603a | |
parent | cb4f5e19704fe2c6eb2505d23d3150476a5ae8aa (diff) | |
download | go-c2364b58cc482cf12ab675763e0857e58e92a43a.tar.gz go-c2364b58cc482cf12ab675763e0857e58e92a43a.zip |
[dev.power64] liblink: emit wrapper code in correct place
The wrapper code was being emitted before the stack
reservation, rather than after.
LGTM=rsc
R=rsc, dave
CC=golang-codereviews
https://golang.org/cl/161540043
-rw-r--r-- | src/liblink/obj9.c | 126 |
1 files changed, 63 insertions, 63 deletions
diff --git a/src/liblink/obj9.c b/src/liblink/obj9.c index 3db08c5450..0bae64d0b8 100644 --- a/src/liblink/obj9.c +++ b/src/liblink/obj9.c @@ -490,74 +490,74 @@ addstacksplit(Link *ctxt, LSym *cursym) // It is a liblink NOP, not a Power64 NOP: it encodes to 0 instruction bytes. - p = appendp(ctxt, p); - p->as = AMOVD; - p->from.type = D_OREG; - p->from.reg = REGG; - p->from.offset = 4*ctxt->arch->ptrsize; // G.panic - p->to.type = D_REG; - p->to.reg = 3; - - p = appendp(ctxt, p); - p->as = ACMP; - p->from.type = D_REG; - p->from.reg = 0; - p->to.type = D_REG; - p->to.reg = 3; - - p = appendp(ctxt, p); - p->as = ABEQ; - p->to.type = D_BRANCH; - p1 = p; + q = appendp(ctxt, q); + q->as = AMOVD; + q->from.type = D_OREG; + q->from.reg = REGG; + q->from.offset = 4*ctxt->arch->ptrsize; // G.panic + q->to.type = D_REG; + q->to.reg = 3; - p = appendp(ctxt, p); - p->as = AMOVD; - p->from.type = D_OREG; - p->from.reg = 3; - p->from.offset = 0; // Panic.argp - p->to.type = D_REG; - p->to.reg = 4; + q = appendp(ctxt, q); + q->as = ACMP; + q->from.type = D_REG; + q->from.reg = 0; + q->to.type = D_REG; + q->to.reg = 3; + + q = appendp(ctxt, q); + q->as = ABEQ; + q->to.type = D_BRANCH; + p1 = q; + + q = appendp(ctxt, q); + q->as = AMOVD; + q->from.type = D_OREG; + q->from.reg = 3; + q->from.offset = 0; // Panic.argp + q->to.type = D_REG; + q->to.reg = 4; - p = appendp(ctxt, p); - p->as = AADD; - p->from.type = D_CONST; - p->from.offset = autosize+8; - p->reg = REGSP; - p->to.type = D_REG; - p->to.reg = 5; + q = appendp(ctxt, q); + q->as = AADD; + q->from.type = D_CONST; + q->from.offset = autosize+8; + q->reg = REGSP; + q->to.type = D_REG; + q->to.reg = 5; - p = appendp(ctxt, p); - p->as = ACMP; - p->from.type = D_REG; - p->from.reg = 4; - p->to.type = D_REG; - p->to.reg = 5; + q = appendp(ctxt, q); + q->as = ACMP; + q->from.type = D_REG; + q->from.reg = 4; + q->to.type = D_REG; + q->to.reg = 5; - p = appendp(ctxt, p); - p->as = ABNE; - p->to.type = D_BRANCH; - p2 = p; + q = appendp(ctxt, q); + q->as = ABNE; + q->to.type = D_BRANCH; + p2 = q; - p = appendp(ctxt, p); - p->as = AADD; - p->from.type = D_CONST; - p->from.offset = 8; - p->reg = REGSP; - p->to.type = D_REG; - p->to.reg = 6; - - p = appendp(ctxt, p); - p->as = AMOVD; - p->from.type = D_REG; - p->from.reg = 6; - p->to.type = D_OREG; - p->to.reg = 3; - p->to.offset = 0; // Panic.argp - - p = appendp(ctxt, p); - p->as = ANOP; - p1->pcond = p; - p2->pcond = p; + q = appendp(ctxt, q); + q->as = AADD; + q->from.type = D_CONST; + q->from.offset = 8; + q->reg = REGSP; + q->to.type = D_REG; + q->to.reg = 6; + + q = appendp(ctxt, q); + q->as = AMOVD; + q->from.type = D_REG; + q->from.reg = 6; + q->to.type = D_OREG; + q->to.reg = 3; + q->to.offset = 0; // Panic.argp + + q = appendp(ctxt, q); + q->as = ANOP; + p1->pcond = q; + p2->pcond = q; } break; |