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| author | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-04-17 14:41:49 +0000 |
|---|---|---|
| committer | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-04-17 14:41:49 +0000 |
| commit | ac825d2999c39eefd8ba839dbc48259e5106f1a6 (patch) | |
| tree | ccd6b7fd42d32991a045c9b70abc3608d011bc9a /gcc/emit-rtl.c | |
| parent | 1ad985ea04d8d11f37f5367667b47a885ccf81ce (diff) | |
| download | gcc-ac825d2999c39eefd8ba839dbc48259e5106f1a6.tar.gz | |
Patch from John Carr to fix sparc v9 failure.
* emit-rtl.c (operand_subword_force): If a register can not be
accessed by words, copy it to a pseudo register.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@19267 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 4d9361ce9bc..40b0aa54e51 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -1380,7 +1380,14 @@ operand_subword_force (op, i, mode) return result; if (mode != BLKmode && mode != VOIDmode) - op = force_reg (mode, op); + { + /* If this is a register which can not be accessed by words, copy it + to a pseudo register. */ + if (GET_CODE (op) == REG) + op = copy_to_reg (op); + else + op = force_reg (mode, op); + } result = operand_subword (op, i, 1, mode); if (result == 0) |