From a4e600b22e938e766fefa9bd0ab111e262e639a6 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Sat, 5 Feb 2011 16:47:02 -0500 Subject: [PATCH] opcodes: blackfin: avoid duplicate memory reads Rather than reading the same memory twice, pass the value back up. Signed-off-by: Mike Frysinger --- opcodes/ChangeLog | 6 ++++++ opcodes/bfin-dis.c | 10 ++++------ 2 files changed, 10 insertions(+), 6 deletions(-) diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 4e7c93a8e7..5157099e21 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,9 @@ +2014-08-14 Mike Frysinger + + * bfin-dis.c (struct private): Add iw0. + (_print_insn_bfin): Assign iw0 to priv.iw0. + (print_insn_bfin): Drop ifetch and use priv.iw0. + 2014-08-13 Mike Frysinger * bfin-dis.c (comment, parallel): Move from global scope ... diff --git a/opcodes/bfin-dis.c b/opcodes/bfin-dis.c index b8bc08788f..e7d6706a95 100644 --- a/opcodes/bfin-dis.c +++ b/opcodes/bfin-dis.c @@ -44,6 +44,7 @@ typedef unsigned int bu32; struct private { + TIword iw0; int comment, parallel; }; @@ -4697,6 +4698,7 @@ _print_insn_bfin (bfd_vma pc, disassemble_info *outf) if (ifetch (pc, outf, &iw0)) return -1; + priv->iw0 = iw0; if ((iw0 & 0xc000) == 0xc000) { @@ -4803,12 +4805,8 @@ int print_insn_bfin (bfd_vma pc, disassemble_info *outf) { struct private priv; - TIword iw0; int count; - if (ifetch (pc, outf, &iw0) == -1) - return -1; - priv.parallel = 0; priv.comment = 0; outf->private_data = &priv; @@ -4819,8 +4817,8 @@ print_insn_bfin (bfd_vma pc, disassemble_info *outf) /* Proper display of multiple issue instructions. */ - if (count == 4 && (iw0 & 0xc000) == 0xc000 && (iw0 & BIT_MULTI_INS) - && ((iw0 & 0xe800) != 0xe800 /* Not Linkage. */ )) + if (count == 4 && (priv.iw0 & 0xc000) == 0xc000 && (priv.iw0 & BIT_MULTI_INS) + && ((priv.iw0 & 0xe800) != 0xe800 /* Not Linkage. */ )) { int legal = 1; int len;