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| author | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-05-15 12:39:34 +0000 |
|---|---|---|
| committer | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-05-15 12:39:34 +0000 |
| commit | faabc444c6158db6fea451ae8bb8ea608e374352 (patch) | |
| tree | fcdac5d2801017881321925f83882bd4bee7d3dd | |
| parent | bd860dba47b3c503db2ab6024432b5e7b0d0fd4d (diff) | |
| download | ppe42-gcc-faabc444c6158db6fea451ae8bb8ea608e374352.tar.gz ppe42-gcc-faabc444c6158db6fea451ae8bb8ea608e374352.zip | |
* config/rs6000/rs6000.c (rs6000_va_arg <ABI_V4>): Don't use
UNITS_PER_WORD to calculate gpr size. Re-instate code to set reg
count to 8 to handle n_reg > 2.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81880 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 12 |
2 files changed, 16 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 808ed608ae9..65f431ad9a7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-05-15 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (rs6000_va_arg <ABI_V4>): Don't use + UNITS_PER_WORD to calculate gpr size. Re-instate code to set reg + count to 8 to handle n_reg > 2. + 2004-05-15 Joseph S. Myers <jsm@polyomino.org.uk> * doc/extend.texi: Update WG14 URL. diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 9f6301b3910..4dfabe1b00b 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -5144,7 +5144,7 @@ rs6000_va_arg (tree valist, tree type) sav = build (COMPONENT_REF, TREE_TYPE (f_sav), valist, f_sav); size = int_size_in_bytes (type); - rsize = (size + UNITS_PER_WORD - 1) / UNITS_PER_WORD; + rsize = (size + 3) / 4; align = 1; if (AGGREGATE_TYPE_P (type) @@ -5158,7 +5158,7 @@ rs6000_va_arg (tree valist, tree type) n_reg = 1; sav_ofs = 0; sav_scale = 4; - size = UNITS_PER_WORD; + size = 4; rsize = 1; } else if (TARGET_HARD_FLOAT && TARGET_FPRS @@ -5240,6 +5240,14 @@ rs6000_va_arg (tree valist, tree type) emit_barrier (); emit_label (lab_false); + if (n_reg > 2) + { + /* Ensure that we don't find any more args in regs. + Alignment has taken care of the n_reg == 2 case. */ + t = build (MODIFY_EXPR, TREE_TYPE (reg), reg, build_int_2 (8, 0)); + TREE_SIDE_EFFECTS (t) = 1; + expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL); + } } /* ... otherwise out of the overflow area. */ |
