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| author | J"orn Rennecke <joern.rennecke@superh.com> | 2003-05-23 20:08:22 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2003-05-23 21:08:22 +0100 |
| commit | 839844befa03c6eedadc1e045980c8505e68b830 (patch) | |
| tree | 4f92a85daf94c615e9e895e5f6c349013292c172 /gcc/cse.c | |
| parent | 6c82ad2561090a9ba4011886a60d2c1423924302 (diff) | |
| download | gcc-839844befa03c6eedadc1e045980c8505e68b830.zip gcc-839844befa03c6eedadc1e045980c8505e68b830.tar.gz gcc-839844befa03c6eedadc1e045980c8505e68b830.tar.bz2 | |
cse.c (count_reg_usage): When processing an INSNs REG_EQUAL note containing an EXPR_LIST...
* cse.c (count_reg_usage): When processing an INSNs REG_EQUAL
note containing an EXPR_LIST, process all the arguments.
From-SVN: r67132
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 16 |
1 files changed, 15 insertions, 1 deletions
@@ -7512,7 +7512,21 @@ count_reg_usage (x, counts, dest, incr) note = find_reg_equal_equiv_note (x); if (note) - count_reg_usage (XEXP (note, 0), counts, NULL_RTX, incr); + { + rtx eqv = XEXP (note, 0); + + if (GET_CODE (eqv) == EXPR_LIST) + /* This REG_EQUAL note describes the result of a function call. + Process all the arguments. */ + do + { + count_reg_usage (XEXP (eqv, 0), counts, NULL_RTX, incr); + eqv = XEXP (eqv, 1); + } + while (eqv && GET_CODE (eqv) == EXPR_LIST); + else + count_reg_usage (eqv, counts, NULL_RTX, incr); + } return; case EXPR_LIST: |