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From 0afa4ba2af8d63cb70771f1c7e235af920603533 Mon Sep 17 00:00:00 2001
From: Mahesh Bodapati <mbodapat@xilinx.com>
Date: Thu, 16 Apr 2020 18:08:58 +0530
Subject: [PATCH 30/40] [Patch,MicroBlaze m64]: Update imml instructions for
Type A branch EA
This patch will remove imml 0 and imml -1 instructions when the offset is less than 16 bit for Type A branch EA instructions.
---
gas/config/tc-microblaze.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/gas/config/tc-microblaze.c b/gas/config/tc-microblaze.c
index efd1a42769e..1d838abfefa 100644
--- a/gas/config/tc-microblaze.c
+++ b/gas/config/tc-microblaze.c
@@ -2164,13 +2164,13 @@ md_assemble (char * str)
if (exp.X_op != O_constant)
{
char *opc;
- if (microblaze_arch_size == 64 && (streq (name, "breai") ||
- streq (name, "breaid") ||
- streq (name, "brai") || streq (name, "braid")))
- opc = strdup(str_microblaze_64);
+ /* removal of imml 0 and imml -1 for bea type A insns.
+ if offset is 16 bit then imml instructions are redundant */
+ if (microblaze_arch_size == 64 && (streq (name, "brai") || streq (name, "braid")))
+ opc = strdup(str_microblaze_64);
else
- opc = NULL;
- relax_substateT subtype;
+ opc = NULL;
+ relax_substateT subtype;
if (exp.X_md != 0)
subtype = get_imm_otype(exp.X_md);
@@ -2930,7 +2930,7 @@ md_apply_fix (fixS * fixP,
case BFD_RELOC_MICROBLAZE_64:
case BFD_RELOC_MICROBLAZE_64_PCREL:
if (fixP->fx_r_type == BFD_RELOC_MICROBLAZE_64
- || fixP->fx_r_type == BFD_RELOC_MICROBLAZE_64_PCREL)
+ || fixP->fx_r_type == BFD_RELOC_MICROBLAZE_64_PCREL || (fixP->fx_r_type == BFD_RELOC_64_PCREL && microblaze_arch_size == 64))
{
/* Generate the imm instruction. */
if (((long long)val) > (long long)-549755813888 && ((long long)val) < (long long)549755813887)
--
2.17.1
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