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More NaN constant fixes. 

This patch cleans up %loadi/wr regarding NaN values. It also
fixes the code generator to correctly output a NaN value as
a Cr<> constant.
This commit is contained in:
Cary R 2008-08-28 18:33:13 -07:00 committed by Stephen Williams
parent 2d3cd7cb9a
commit 2e97b28185
2 changed files with 5 additions and 1 deletions
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4
tgt-vvp/vvp_scope.c
View File

@ -330,6 +330,10 @@ char* draw_Cr_to_string(double value)
snprintf(tmp, sizeof(tmp), "Cr<m0g7fff>"); snprintf(tmp, sizeof(tmp), "Cr<m0g7fff>");
return strdup(tmp); return strdup(tmp);
} }
if (value != value) {
snprintf(tmp, sizeof(tmp), "Cr<m1g3fff>");
return strdup(tmp);
}
int sign = 0; int sign = 0;
if (value < 0) { if (value < 0) {

2
vvp/vthread.cc
View File

@ -2663,7 +2663,7 @@ bool of_LOADI_WR(vthread_t thr, vvp_code_t cp)
return true; return true;
} }
// Detect NaN // Detect NaN
if (exp==0x3fff && cp->number!=0) { if (exp==0x3fff) {
thr->words[idx].w_real = nan(""); thr->words[idx].w_real = nan("");
return true; return true;
} }