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| author | Matthew Hiller <hiller@redhat.com> | 2000-11-10 05:22:48 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2000-11-09 22:22:48 -0700 |
| commit | 881a89697e1604663cb76e32abab1c2419fbcbc8 (patch) | |
| tree | 7ccf4fbc00fbaeb0537f2ab265f08e7f21e66c0f /gcc | |
| parent | 13507bd80dc47454cca3220f14dca27710e15c8f (diff) | |
| download | gcc-881a89697e1604663cb76e32abab1c2419fbcbc8.zip gcc-881a89697e1604663cb76e32abab1c2419fbcbc8.tar.gz gcc-881a89697e1604663cb76e32abab1c2419fbcbc8.tar.bz2 | |
reload1.c (reload_combine): Fixed calculation of first_index_reg, last_index_reg.
* reload1.c (reload_combine): Fixed calculation of
first_index_reg, last_index_reg.
From-SVN: r37360
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/reload1.c | 6 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8c6ed0e..15ccecb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2000-11-09 Matthew Hiller <hiller@redhat.com> + + * reload1.c (reload_combine): Fixed calculation of + first_index_reg, last_index_reg. + 2000-11-09 Mark Mitchell <mark@codesourcery.com> * c-dump.c (dequeue_and_dump): Dump function bodies. diff --git a/gcc/reload1.c b/gcc/reload1.c index 151529a..5219e8a 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -8363,7 +8363,7 @@ static void reload_combine () { rtx insn, set; - int first_index_reg = 1, last_index_reg = 0; + int first_index_reg = -1, last_index_reg; int i; unsigned int r; int last_label_ruid; @@ -8381,14 +8381,14 @@ reload_combine () for (r = 0; r < FIRST_PSEUDO_REGISTER; r++) if (TEST_HARD_REG_BIT (reg_class_contents[INDEX_REG_CLASS], r)) { - if (! first_index_reg) + if (first_index_reg == -1) first_index_reg = r; last_index_reg = r; } /* If no index register is available, we can quit now. */ - if (first_index_reg > last_index_reg) + if (first_index_reg == -1) return; /* Set up LABEL_LIVE and EVER_LIVE_AT_START. The register lifetime |