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| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-07-28 08:43:27 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-07-28 08:43:27 -0400 |
| commit | 280fc31e5d1653a576aac4b0145729bf470c6c4c (patch) | |
| tree | 4a01984c19949d9ee070b1e1ff950cac499eac9d /gcc | |
| parent | 0c253776b2273b576047ab2b95492677fa8f27d6 (diff) | |
| download | gcc-280fc31e5d1653a576aac4b0145729bf470c6c4c.zip gcc-280fc31e5d1653a576aac4b0145729bf470c6c4c.tar.gz gcc-280fc31e5d1653a576aac4b0145729bf470c6c4c.tar.bz2 | |
(i960_arg_size_and_align): Correct alignment of XFmode values in
library calls.
From-SVN: r10176
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i960/i960.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/config/i960/i960.c b/gcc/config/i960/i960.c index 36ed57d..35ce318 100644 --- a/gcc/config/i960/i960.c +++ b/gcc/config/i960/i960.c @@ -2053,7 +2053,14 @@ i960_arg_size_and_align (mode, type, size_out, align_out) size = (GET_MODE_SIZE (mode) + UNITS_PER_WORD - 1) / UNITS_PER_WORD; if (type == 0) - align = size; + { + /* ??? This is a hack to properly correct the alignment of XFmode + values without affecting anything else. */ + if (size == 3) + align = 4; + else + align = size; + } else if (TYPE_ALIGN (type) >= BITS_PER_WORD) align = TYPE_ALIGN (type) / BITS_PER_WORD; else @@ -2068,7 +2075,9 @@ i960_arg_size_and_align (mode, type, size_out, align_out) subsequent arguments are placed on the stack. Additionally, parameters with an alignment requirement stronger than - a word must be be aligned appropriately. */ + a word must be aligned appropriately. Note that this means that a + 64 bit object with a 32 bit alignment is not 64 bit aligned and may be + passed in an odd/even register pair. */ /* Update CUM to advance past an argument described by MODE and TYPE. */ |