diff options
| author | Ori Bernstein <ori@eigenstate.org> | 2020-08-08 11:39:25 -0700 |
|---|---|---|
| committer | Ori Bernstein <ori@eigenstate.org> | 2020-08-08 11:39:25 -0700 |
| commit | 3ba1d83d2026ebac616ab17a2126df97c0a7a24c (patch) | |
| tree | 3e12014a4794de9a7c7745cdbf675e1896fe9fbe /sys/src/cmd/8c | |
| parent | ac4e21f52d8458732b6e18d6ca481ab880c6c9be (diff) | |
cc: promote integer constants according to c99 spec.
C99 integer constants with no type suffix promote differently
depending on the way that they're written: hex and oct consts
promote as int => uint => long => ulong => vlong => uvlong.
Decimal constants are always signed.
We used to promote all values to uint on overflow, and never
went wider. This change fixes that, and adds a warning when
a decimal constant that would have been promoted to uint in
the past gets promoted to int.
Diffstat (limited to 'sys/src/cmd/8c')
| -rw-r--r-- | sys/src/cmd/8c/txt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/cmd/8c/txt.c b/sys/src/cmd/8c/txt.c index 4feb0f7f4..9ddeea6ba 100644 --- a/sys/src/cmd/8c/txt.c +++ b/sys/src/cmd/8c/txt.c @@ -865,7 +865,7 @@ gmove(Node *f, Node *t) gmove(f, &fregnode0); gins(AFADDD, nodfconst(-2147483648.), &fregnode0); gins(AFMOVLP, f, &nod); - gins(ASUBL, nodconst(-2147483648), &nod); + gins(ASUBL, nodconst(-0x80000000), &nod); gmove(&nod, t); return; |