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fix bug154; tweak bug153 exit status
R=ken OCL=29448 CL=29448
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5f460b38f9
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@ -13,16 +13,20 @@ static Val copyval(Val);
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/*
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* truncate float literal fv to 32-bit or 64-bit precision
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* according to type.
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* according to type; return truncated value.
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*/
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void
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truncfltlit(Mpflt *fv, Type *t)
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Mpflt*
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truncfltlit(Mpflt *oldv, Type *t)
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{
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double d;
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float f;
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Mpflt *fv;
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if(t == T)
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return;
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return oldv;
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fv = mal(sizeof *fv);
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*fv = *oldv;
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// convert large precision literal floating
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// into limited precision (float64 or float32)
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@ -41,6 +45,7 @@ truncfltlit(Mpflt *fv, Type *t)
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mpmovecflt(fv, d);
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break;
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}
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return fv;
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}
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/*
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@ -154,7 +159,7 @@ convlit1(Node *n, Type *t, int explicit)
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else if(ct != CTFLT)
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goto bad;
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overflow(n->val, t);
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truncfltlit(n->val.u.fval, t);
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n->val.u.fval = truncfltlit(n->val.u.fval, t);
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} else if(et == TSTRING && ct == CTINT && explicit)
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n->val = tostr(n->val);
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else
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@ -607,7 +612,7 @@ ret:
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// truncate precision for non-ideal float.
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if(v.ctype == CTFLT && n->type->etype != TIDEAL)
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truncfltlit(v.u.fval, n->type);
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n->val.u.fval = truncfltlit(v.u.fval, n->type);
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return;
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settrue:
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@ -112,13 +112,6 @@ BUG: should compile
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BUG: errchk: bugs/bug153.go:9: error message does not match 'nil'
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bugs/bug153.go:9: fatal error: dowidth: unknown type: E-34
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=========== bugs/bug154.go
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r0 = 3.141592
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r1 = 3.141592025756836
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r0 and r1 should be the same
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panic PC=xxx
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BUG: should not panic
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=========== fixedbugs/bug016.go
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fixedbugs/bug016.go:7: constant -3 overflows uint
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