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| author | David S. Miller <davem@redhat.com> | 2002-05-10 11:58:00 -0700 |
|---|---|---|
| committer | David S. Miller <davem@gcc.gnu.org> | 2002-05-10 11:58:00 -0700 |
| commit | 6c45cb0da4af9804a455bc701cbe7a87eec98990 (patch) | |
| tree | 772e88648044668b93689ee59be811586e4f8a75 | |
| parent | 85d7d3b09cb826d301fc60e31c0f6ec689fd2a08 (diff) | |
| download | gcc-6c45cb0da4af9804a455bc701cbe7a87eec98990.zip gcc-6c45cb0da4af9804a455bc701cbe7a87eec98990.tar.gz gcc-6c45cb0da4af9804a455bc701cbe7a87eec98990.tar.bz2 | |
cse.c (rtx_cost): Remove multiplication by power of 2 special casing.
2002-05-10 David S. Miller <davem@redhat.com>
* cse.c (rtx_cost): Remove multiplication by power of 2 special
casing.
From-SVN: r53369
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cse.c | 8 |
2 files changed, 6 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 097888b..aa0ed6f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2002-05-10 David S. Miller <davem@redhat.com> + + * cse.c (rtx_cost): Remove multiplication by power of 2 special + casing. + 2002-05-10 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> * config/mips/t-iris6 (SHLIB_SLIBDIR_SUFFIXES): Use mabi=64 and @@ -842,13 +842,7 @@ rtx_cost (x, outer_code) switch (code) { case MULT: - /* Count multiplication by 2**n as a shift, - because if we are considering it, we would output it as a shift. */ - if (GET_CODE (XEXP (x, 1)) == CONST_INT - && exact_log2 (INTVAL (XEXP (x, 1))) >= 0) - total = 2; - else - total = COSTS_N_INSNS (5); + total = COSTS_N_INSNS (5); break; case DIV: case UDIV: |