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cmd/gc: re-order some OFOO constants. Rename ORRC to ORROTC to be

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consistent with OLROT. Delete unused OBAD, OLRC.

R=rsc, dave
CC=golang-dev
https://golang.org/cl/6489082
This commit is contained in:
Nigel Tao 2012-09-06 10:47:25 +10:00
parent 5e3224ce79
commit 481e5c6ad0
3 changed files with 20 additions and 23 deletions
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2
src/cmd/6g/ggen.c
View File

@ -758,7 +758,7 @@ divbymul:
// need to add numerator accounting for overflow
gins(optoas(OADD, nl->type), &n1, &dx);
nodconst(&n2, nl->type, 1);
gins(optoas(ORRC, nl->type), &n2, &dx);
gins(optoas(ORROTC, nl->type), &n2, &dx);
nodconst(&n2, nl->type, m.s-1);
gins(optoas(ORSH, nl->type), &n2, &dx);
} else {

16
src/cmd/6g/gsubr.c
View File

@ -1724,23 +1724,23 @@ optoas(int op, Type *t)
a = ASARQ;
break;
case CASE(ORRC, TINT8):
case CASE(ORRC, TUINT8):
case CASE(ORROTC, TINT8):
case CASE(ORROTC, TUINT8):
a = ARCRB;
break;
case CASE(ORRC, TINT16):
case CASE(ORRC, TUINT16):
case CASE(ORROTC, TINT16):
case CASE(ORROTC, TUINT16):
a = ARCRW;
break;
case CASE(ORRC, TINT32):
case CASE(ORRC, TUINT32):
case CASE(ORROTC, TINT32):
case CASE(ORROTC, TUINT32):
a = ARCRL;
break;
case CASE(ORRC, TINT64):
case CASE(ORRC, TUINT64):
case CASE(ORROTC, TINT64):
case CASE(ORROTC, TUINT64):
a = ARCRQ;
break;

25
src/cmd/gc/go.h
View File

@ -431,7 +431,6 @@ enum
OAS2MAPR, // x, ok = m["foo"]
OAS2DOTTYPE, // x, ok = I.(int)
OASOP, // x += y
OBAD, // unused.
OCALL, // function call, method call or type conversion, possibly preceded by defer or go.
OCALLFUNC, // f()
OCALLMETH, // t.Method()
@ -479,12 +478,6 @@ enum
OMAKECHAN, // make(chan int)
OMAKEMAP, // make(map[string]int)
OMAKESLICE, // make([]int, 0)
// TODO: move these to the "for back ends" section, like OLROT.
OHMUL, // high-mul. 386/amd64: AMUL/AIMUL for unsigned/signed (OMUL uses AIMUL for both).
ORRC, // right rotate-carry. 386/amd64: ARCR.
OLRC, // unused.
OMUL, // x * y
ODIV, // x / y
OMOD, // x % y
@ -553,14 +546,18 @@ enum
OEFACE, // itable and data words of an empty-interface value.
OITAB, // itable word of an interface value.
// for back ends
OCMP, // compare. 386/amd64: ACMP.
ODEC, // decrement. 386/amd64: ADEC.
OEXTEND, // extend. 386/amd64: ACWD/ACDQ/ACQO.
OINC, // increment. 386/amd64: AINC.
OREGISTER, // an arch-specific register.
// arch-specific registers
OREGISTER, // a register, such as AX.
OINDREG, // offset plus indirect of a register, such as 8(SP).
OLROT, // rotate left. 386/amd64: AROL.
// 386/amd64-specific opcodes
OCMP, // compare: ACMP.
ODEC, // decrement: ADEC.
OINC, // increment: AINC.
OEXTEND, // extend: ACWD/ACDQ/ACQO.
OHMUL, // high mul: AMUL/AIMUL for unsigned/signed (OMUL uses AIMUL for both).
OLROT, // left rotate: AROL.
ORROTC, // right rotate-carry: ARCR.
OEND,
};