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| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2000-07-06 22:26:17 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2000-07-06 18:26:17 -0400 |
| commit | db30db99382a43a9469489a3b7b46f8d249838ab (patch) | |
| tree | f1e5613e3291d1d482f85e709e317bd25f949239 /gcc | |
| parent | 774c79ed27652b3e1006f2e2ceff25b6c9c1a5a7 (diff) | |
| download | gcc-db30db99382a43a9469489a3b7b46f8d249838ab.zip gcc-db30db99382a43a9469489a3b7b46f8d249838ab.tar.gz gcc-db30db99382a43a9469489a3b7b46f8d249838ab.tar.bz2 | |
reload.c (push_reload): When seeing if can reuse a register...
* reload.c (push_reload): When seeing if can reuse a register,
check extra registers against widest of INMODE and OUTMODE.
From-SVN: r34891
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/reload.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e19fd04..8c4b344 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reload.c (push_reload): When seeing if can reuse a register, + check extra registers against widest of INMODE and OUTMODE. + 2000-07-06 Neil Booth <NeilB@earthling.net> * cpplib.c: (_cpp_parse_assertion): Perform hash lookups diff --git a/gcc/reload.c b/gcc/reload.c index ce4811a..7f5f355 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -1470,8 +1470,10 @@ push_reload (in, out, inloc, outloc, class, && GET_MODE_SIZE (outmode) <= GET_MODE_SIZE (GET_MODE (XEXP (note, 0))) && HARD_REGNO_MODE_OK (regno, outmode)) { - int offs; - int nregs = HARD_REGNO_NREGS (regno, inmode); + unsigned int offs; + unsigned int nregs = MAX (HARD_REGNO_NREGS (regno, inmode), + HARD_REGNO_NREGS (regno, outmode)); + for (offs = 0; offs < nregs; offs++) if (fixed_regs[regno + offs] || ! TEST_HARD_REG_BIT (reg_class_contents[(int) class], |