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| author | Andreas Schwab <schwab@issan.cs.uni-dortmund.de> | 1999-05-17 00:36:36 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-05-16 18:36:36 -0600 |
| commit | 51e2a951cc3abdf9a9118f8897d4ca8d76776579 (patch) | |
| tree | 3777736d440c42d1e61f2a4e5b1f105b10542033 /gcc | |
| parent | 2459d1044bb459d673705725d0f16779eeab20a2 (diff) | |
| download | gcc-51e2a951cc3abdf9a9118f8897d4ca8d76776579.zip gcc-51e2a951cc3abdf9a9118f8897d4ca8d76776579.tar.gz gcc-51e2a951cc3abdf9a9118f8897d4ca8d76776579.tar.bz2 | |
cse.c (cse_insn): Copy SRC_CONST before putting it in the REG_EQUAL note.
* cse.c (cse_insn): Copy SRC_CONST before putting it in the
REG_EQUAL note.
From-SVN: r26958
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cse.c | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8fe370b..6f6f666 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +1999-05-17 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * cse.c (cse_insn): Copy SRC_CONST before putting it in the + REG_EQUAL note. + 1999-05-17 Mike Stump <mrs@wrs.com> * rs6000/vxppc.h (CPP_SPEC): Fix support for vararg functions. @@ -7323,6 +7323,9 @@ cse_insn (insn, libcall_insn) { tem = find_reg_note (insn, REG_EQUAL, NULL_RTX); + /* Make sure that the rtx is not shared with any other insn. */ + src_const = copy_rtx (src_const); + /* Record the actual constant value in a REG_EQUAL note, making a new one if one does not already exist. */ if (tem) |