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increase from 3 to 11 floating registers

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R=rsc
OCL=32947
CL=32947
This commit is contained in:
Ken Thompson 2009-08-09 16:42:21 -07:00
parent 34f76b5de5
commit 60238e25bf
2 changed files with 5 additions and 5 deletions
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8
src/cmd/6g/reg.c
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@ -1439,9 +1439,9 @@ BtoR(int32 b)
/*
* bit reg
* 16 X5
* 17 X6
* 18 X7
* 16 X5 (FREGMIN)
* ...
* 26 X15 (FREGEXT)
*/
int32
FtoB(int f)
@ -1455,7 +1455,7 @@ int
BtoF(int32 b)
{
b &= 0x70000L;
b &= 0xFF0000L;
if(b == 0)
return 0;
return bitno(b) - 16 + FREGMIN;

2
src/cmd/6l/6.out.h
View File

@ -839,7 +839,7 @@ enum
REGTMP = D_DI,
REGEXT = D_R15, /* compiler allocates external registers R15 down */
FREGMIN = D_X0+5, /* first register variable */
FREGEXT = D_X0+7 /* first external register */
FREGEXT = D_X0+15 /* first external register */
};
/*