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| author | J"orn Rennecke <joern.rennecke@st.com> | 2005-12-13 12:49:56 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2005-12-13 12:49:56 +0000 |
| commit | 80e6edb051397f18aa328e0ddeb83f4bf380b3f9 (patch) | |
| tree | 352708c243910ab5689818261dd1bb249311d023 /gcc | |
| parent | ce9d566844297f5d36887a0a19913fea8927e664 (diff) | |
| download | gcc-80e6edb051397f18aa328e0ddeb83f4bf380b3f9.zip gcc-80e6edb051397f18aa328e0ddeb83f4bf380b3f9.tar.gz gcc-80e6edb051397f18aa328e0ddeb83f4bf380b3f9.tar.bz2 | |
rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point values.
* rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
values.
From-SVN: r108479
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/rtlhooks.c | 7 |
2 files changed, 10 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0a6bd70..345f7d6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-12-13 J"orn Rennecke <joern.rennecke@st.com> + + * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point + values. + 2005-12-13 Nathan Sidwell <nathan@codesourcery.com> * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2 diff --git a/gcc/rtlhooks.c b/gcc/rtlhooks.c index bc41398..0034da7 100644 --- a/gcc/rtlhooks.c +++ b/gcc/rtlhooks.c @@ -44,9 +44,12 @@ gen_lowpart_general (enum machine_mode mode, rtx x) if (result) return result; - else if (REG_P (x)) + /* If it's a REG, it must be a hard reg that's not valid in MODE. */ + else if (REG_P (x) + /* Or we could have a subreg of a floating point value. */ + || (GET_CODE (x) == SUBREG + && FLOAT_MODE_P (GET_MODE (SUBREG_REG (x))))) { - /* Must be a hard reg that's not valid in MODE. */ result = gen_lowpart_common (mode, copy_to_reg (x)); gcc_assert (result != 0); return result; |