From ac59ed379bee7707f973c3cc2bafa536a9c5a032 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Wed, 16 Jul 2003 01:36:27 -0700 Subject: [PATCH] sparc.c (sparc_nonflat_function_epilogue): Only emit nop if the last real insn is CALL_INSN. 2003-07-15 David S. Miller * config/sparc/sparc.c (sparc_nonflat_function_epilogue): Only emit nop if the last real insn is CALL_INSN. From-SVN: r69440 --- gcc/ChangeLog | 5 +++++ gcc/config/sparc/sparc.c | 14 +++++++++++--- 2 files changed, 16 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 11ade5dd9f5a..40f58fd8f82a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-07-15 David S. Miller + + * config/sparc/sparc.c (sparc_nonflat_function_epilogue): Only + emit nop if the last real insn is CALL_INSN. + 2003-07-16 Danny Smith * config/i386/xm-mingw32.h (HOST_BIT_BUCKET): Define diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index 617a964b6191..14c7c1fcf737 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -4046,11 +4046,19 @@ sparc_nonflat_function_epilogue (file, size, leaf_function) of a function were call foo; dslot; this can make the return PC of foo (ie. address of call instruction plus 8) point to the first instruction in the next function. */ - rtx insn; - - fputs("\tnop\n", file); + rtx insn, last_real_insn; insn = get_last_insn (); + + last_real_insn = prev_real_insn (insn); + if (last_real_insn + && GET_CODE (last_real_insn) == INSN + && GET_CODE (PATTERN (last_real_insn)) == SEQUENCE) + last_real_insn = XVECEXP (PATTERN (last_real_insn), 0, 0); + + if (last_real_insn && GET_CODE (last_real_insn) == CALL_INSN) + fputs("\tnop\n", file); + if (GET_CODE (insn) == NOTE) insn = prev_nonnote_insn (insn); if (insn && GET_CODE (insn) == BARRIER) -- 2.47.3