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[dev.power64] cmd/9l/9.out.h: introduce NFREG, REGG, REGRT1 and REGRT2

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LGTM=rsc
R=rsc, iant
CC=golang-codereviews
https://golang.org/cl/125990043
This commit is contained in:
Shenghou Ma 2014-08-11 23:44:38 -04:00
parent 1a1d450712
commit 552d8b79dd
1 changed files with 7 additions and 3 deletions
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10
src/cmd/9l/9.out.h
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@ -32,7 +32,8 @@
*/
#define NSNAME 8
#define NSYM 50
#define NREG 32
#define NREG 32 /* number of general registers */
#define NFREG 32 /* number of floating point registers */
#include "../ld/textflag.h"
@ -43,17 +44,20 @@ enum
REGSB = 2,
REGRET = 3,
REGARG = -1, /* -1 disables passing the first argument in register */
REGRT1 = 3, /* reserved for runtime, duffzero and duffcopy */
REGRT2 = 4, /* reserved for runtime, duffcopy */
REGMIN = 7, /* register variables allocated from here to REGMAX */
REGENV = 11, /* environment variable for closures */
REGENV = 11, /* environment for closures */
REGMAX = 27,
REGEXT = 30, /* external registers allocated from here down */
REGG = 30, /* G */
REGTMP = 31, /* used by the linker */
FREGRET = 0,
FREGMIN = 17, /* first register variable */
FREGMAX = 26, /* last register variable for 9g only */
FREGEXT = 26, /* first external register */
FREGCVI = 27, /* floating conversion constant */
FREGCVI = 27, /* floating conversion constant */
FREGZERO = 28, /* both float and double */
FREGHALF = 29, /* double */
FREGONE = 30, /* double */