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| author | schwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-07-17 08:40:15 +0000 |
|---|---|---|
| committer | schwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-07-17 08:40:15 +0000 |
| commit | a2bdefc8fb5ad56bfcfd98a60698e7a6f1945b73 (patch) | |
| tree | a2204c3cb7ba518a1e3520081612e359fafd92bd /gcc/real.c | |
| parent | e9457fe5882f5dc3ac1ac3857ae54bcab6342f87 (diff) | |
| download | gcc-a2bdefc8fb5ad56bfcfd98a60698e7a6f1945b73.tar.gz | |
Summary: Generate canonical infinity for the Motorola extended real format
* real.c (encode_ieee_extended_motorola): Clear integer bit in the
infinity format.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@212744 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/real.c')
| -rw-r--r-- | gcc/real.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/real.c b/gcc/real.c index 231fc96c932..1c2f709c9d0 100644 --- a/gcc/real.c +++ b/gcc/real.c @@ -3481,6 +3481,11 @@ encode_ieee_extended_motorola (const struct real_format *fmt, long *buf, long intermed[3]; encode_ieee_extended (fmt, intermed, r); + if (r->cl == rvc_inf) + /* For infinity clear the explicit integer bit again, so that the + format matches the canonical infinity generated by the FPU. */ + intermed[1] = 0; + /* Motorola chips are assumed always to be big-endian. Also, the padding in a Motorola extended real goes between the exponent and the mantissa. At this point the mantissa is entirely within |