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| author | Richard Sandiford <rdsandiford@googlemail.com> | 2014-05-30 07:35:47 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2014-05-30 07:35:47 +0000 |
| commit | 98f2f031af6c7a215c607702036195dcc8faaf86 (patch) | |
| tree | 355ba26239f6abd8173627db18edbe081b68b586 /gcc | |
| parent | 3901578cd6f259ef124bc0492a030efbd117ef96 (diff) | |
| download | gcc-98f2f031af6c7a215c607702036195dcc8faaf86.zip gcc-98f2f031af6c7a215c607702036195dcc8faaf86.tar.gz gcc-98f2f031af6c7a215c607702036195dcc8faaf86.tar.bz2 | |
ira.c (ira_get_dup_out_num): Check for output operands at the start of the loop.
gcc/
* ira.c (ira_get_dup_out_num): Check for output operands at
the start of the loop. Handle cases where an included alternative
follows an excluded one.
From-SVN: r211072
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/ira.c | 16 |
2 files changed, 14 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 30aaf18..a0d75fe 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-05-30 Richard Sandiford <rdsandiford@googlemail.com> + + * ira.c (ira_get_dup_out_num): Check for output operands at + the start of the loop. Handle cases where an included alternative + follows an excluded one. + 2014-05-29 Mike Stump <mikestump@comcast.net> PR debug/61352 @@ -1979,33 +1979,33 @@ ira_get_dup_out_num (int op_num, HARD_REG_SET &alts) if (op_num < 0 || recog_data.n_alternatives == 0) return -1; - use_commut_op_p = false; + /* We should find duplications only for input operands. */ + if (recog_data.operand_type[op_num] != OP_IN) + return -1; str = recog_data.constraints[op_num]; + use_commut_op_p = false; for (;;) { #ifdef EXTRA_CONSTRAINT_STR op = recog_data.operand[op_num]; #endif - for (ignore_p = false, original = -1, curr_alt = 0;;) + for (curr_alt = 0, ignore_p = !TEST_HARD_REG_BIT (alts, curr_alt), + original = -1;;) { c = *str; if (c == '\0') break; - if (c == '#' || !TEST_HARD_REG_BIT (alts, curr_alt)) + if (c == '#') ignore_p = true; else if (c == ',') { curr_alt++; - ignore_p = false; + ignore_p = !TEST_HARD_REG_BIT (alts, curr_alt); } else if (! ignore_p) switch (c) { - /* We should find duplications only for input operands. */ - case '=': - case '+': - goto fail; case 'X': case 'p': case 'g': |