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authorrsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4>2008-01-20 08:47:14 +0000
committerrsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4>2008-01-20 08:47:14 +0000
commitd8f69cf60a31b4a7a52835cab8bb48bda1923652 (patch)
tree311263450a2a1fc8aa0a95115e1284b852ee0976
parentf1ce7f3e1e87543427f10979a133863c18fa51cf (diff)
downloadppe42-gcc-d8f69cf60a31b4a7a52835cab8bb48bda1923652.tar.gz
ppe42-gcc-d8f69cf60a31b4a7a52835cab8bb48bda1923652.zip
gcc/
* global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per input. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131676 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/global.c9
2 files changed, 12 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 28a4a549973..4a327d48025 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
+ input.
+
2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/26854
diff --git a/gcc/global.c b/gcc/global.c
index c805f572c7f..b8a0ec78158 100644
--- a/gcc/global.c
+++ b/gcc/global.c
@@ -1016,8 +1016,13 @@ find_reg (int num, HARD_REG_SET losers, int alt_regs_p, int accept_call_clobbere
if (allocno[num].no_eh_reg)
{
unsigned int j;
- for (j = 0; EH_RETURN_DATA_REGNO (j) != INVALID_REGNUM; j++)
- SET_HARD_REG_BIT (used1, EH_RETURN_DATA_REGNO (j));
+ for (j = 0; ; ++j)
+ {
+ unsigned int regno = EH_RETURN_DATA_REGNO (j);
+ if (regno == INVALID_REGNUM)
+ break;
+ SET_HARD_REG_BIT (used1, regno);
+ }
}
#endif
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