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emit-rtl.c (gen_lowpart_common): Handle interpreting integer constants as condition code values. 

* emit-rtl.c (gen_lowpart_common): Handle interpreting integer
	constants as condition code values.

Co-Authored-By: Geoffrey Keating <geoffk@apple.com>
Co-Authored-By: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>

From-SVN: r67309
This commit is contained in:
Roger Sayle 2003-06-01 18:59:17 +00:00 committed by Roger Sayle
parent 0cc261bc7b
commit 14ca333d38
2 changed files with 13 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2003-06-01 Roger Sayle <roger@eyesopen.com>
John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Geoffrey Keating <geoffk@apple.com>
* emit-rtl.c (gen_lowpart_common): Handle interpreting integer
constants as condition code values.
2003-06-01 DJ Delorie <dj@redhat.com>
* cppmacro.c (warn_of_redefinition): Handle cases where the two

6
gcc/emit-rtl.c
View File

@ -1291,6 +1291,12 @@ gen_lowpart_common (mode, x)
mode);
#endif
}
/* If MODE is a condition code and X is a CONST_INT, the value of X
must already have been "recognized" by the back-end, and we can
assume that it is valid for this mode. */
else if (GET_MODE_CLASS (mode) == MODE_CC
&& GET_CODE (x) == CONST_INT)
return x;
/* Otherwise, we can't do this. */
return 0;