diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/rtlanal.c | 10 |
2 files changed, 13 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4a0af82..21f9b2f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2014-04-25 Tom de Vries <tom@codesourcery.com> + + * rtlanal.c (find_all_hard_reg_sets): Note INSN_CALL_FUNCTION_USAGE + clobbers. + 2014-04-25 Radovan Obradovic <robradovic@mips.com> Tom de Vries <tom@codesourcery.com> diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 284c475..f3471b1 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -1052,8 +1052,14 @@ find_all_hard_reg_sets (const_rtx insn, HARD_REG_SET *pset, bool implicit) CLEAR_HARD_REG_SET (*pset); note_stores (PATTERN (insn), record_hard_reg_sets, pset); - if (implicit && CALL_P (insn)) - IOR_HARD_REG_SET (*pset, call_used_reg_set); + if (CALL_P (insn)) + { + if (implicit) + IOR_HARD_REG_SET (*pset, call_used_reg_set); + + for (link = CALL_INSN_FUNCTION_USAGE (insn); link; link = XEXP (link, 1)) + record_hard_reg_sets (XEXP (link, 0), NULL, pset); + } for (link = REG_NOTES (insn); link; link = XEXP (link, 1)) if (REG_NOTE_KIND (link) == REG_INC) record_hard_reg_sets (XEXP (link, 0), NULL, pset); |