From: Richard Kenner Date: Thu, 6 Dec 2001 14:30:57 +0000 (+0000) Subject: function.c (handle_epilogue_set): Check for FP setting case when SP is set from FP... X-Git-Tag: prereleases/libstdc++-3.0.95~412 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f189c7caeab86e208a54b85419dcfe8b331c0f63;p=thirdparty%2Fgcc.git function.c (handle_epilogue_set): Check for FP setting case when SP is set from FP in same insn. * function.c (handle_epilogue_set): Check for FP setting case when SP is set from FP in same insn. From-SVN: r47719 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8f244e618151..32ab317840f7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Thu Dec 6 09:24:12 2001 Richard Kenner + + * function.c (handle_epilogue_set): Check for FP setting case when + SP is set from FP in same insn. + 2001-12-06 Nick Clifton * config/arm/arm.c (load_multiple_sequence): Pass pointer to diff --git a/gcc/function.c b/gcc/function.c index 082d6c6737bf..dbd76c0121cc 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -7349,10 +7349,13 @@ handle_epilogue_set (set, p) /* Next handle the case where we are setting SP's equivalent register. If we already have a value to set it to, abort. We could update, but - there seems little point in handling that case. */ - else if (p->sp_equiv_reg != 0 && reg_set_p (p->sp_equiv_reg, set)) + there seems little point in handling that case. Note that we have + to allow for the case where we are setting the register set in + the previous part of a PARALLEL inside a single insn. But use the + old offset for any updates within this insn. */ + else if (p->new_sp_equiv_reg != 0 && reg_set_p (p->new_sp_equiv_reg, set)) { - if (!rtx_equal_p (p->sp_equiv_reg, SET_DEST (set)) + if (!rtx_equal_p (p->new_sp_equiv_reg, SET_DEST (set)) || p->equiv_reg_src != 0) abort (); else