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| author | David Edelsohn <edelsohn@gnu.org> | 2001-05-10 21:59:10 +0000 |
|---|---|---|
| committer | David Edelsohn <dje@gcc.gnu.org> | 2001-05-10 17:59:10 -0400 |
| commit | f3ce87a905ce61afa08033b7eebdeb9fe46f1fd6 (patch) | |
| tree | 6073238d34f30c575b259990987114e8a5c396af /gcc | |
| parent | 3f19b4396a250ff8701cb43f400752b08b43abd1 (diff) | |
| download | gcc-f3ce87a905ce61afa08033b7eebdeb9fe46f1fd6.zip gcc-f3ce87a905ce61afa08033b7eebdeb9fe46f1fd6.tar.gz gcc-f3ce87a905ce61afa08033b7eebdeb9fe46f1fd6.tar.bz2 | |
expr.c (emit_group_load): extract_bit_field requires a REG or MEM as an argument.
* expr.c (emit_group_load): extract_bit_field requires a REG or
MEM as an argument.
From-SVN: r41950
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/expr.c | 31 |
2 files changed, 22 insertions, 14 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7ffdb8f..b133cce 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-05-10 David Edelsohn <edelsohn@gnu.org> + + * expr.c (emit_group_load): extract_bit_field requires a REG or + MEM as an argument. + Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com) * jump.c (jump_optimize_1): Do not wrap the new jump target @@ -1959,18 +1959,6 @@ emit_group_load (dst, orig_src, ssize, align) tmps = (rtx *) alloca (sizeof (rtx) * XVECLEN (dst, 0)); - /* If we won't be loading directly from memory, protect the real source - from strange tricks we might play. */ - src = orig_src; - if (GET_CODE (src) != MEM && ! CONSTANT_P (src)) - { - if (GET_MODE (src) == VOIDmode) - src = gen_reg_rtx (GET_MODE (dst)); - else - src = gen_reg_rtx (GET_MODE (orig_src)); - emit_move_insn (src, orig_src); - } - /* Process the pieces. */ for (i = start; i < XVECLEN (dst, 0); i++) { @@ -1988,6 +1976,22 @@ emit_group_load (dst, orig_src, ssize, align) abort (); } + /* If we won't be loading directly from memory, protect the real source + from strange tricks we might play; but make sure that the source can + be loaded directly into the destination. */ + src = orig_src; + if (GET_CODE (orig_src) != MEM + && (!CONSTANT_P (orig_src) + || (GET_MODE (orig_src) != mode + && GET_MODE (orig_src) != VOIDmode))) + { + if (GET_MODE (orig_src) == VOIDmode) + src = gen_reg_rtx (mode); + else + src = gen_reg_rtx (GET_MODE (orig_src)); + emit_move_insn (src, orig_src); + } + /* Optimize the access just a bit. */ if (GET_CODE (src) == MEM && align >= GET_MODE_ALIGNMENT (mode) @@ -2011,8 +2015,7 @@ emit_group_load (dst, orig_src, ssize, align) else abort (); } - else if ((CONSTANT_P (src) - && (GET_MODE (src) == VOIDmode || GET_MODE (src) == mode)) + else if (CONSTANT_P (src) || (GET_CODE (src) == REG && GET_MODE (src) == mode)) tmps[i] = src; else |