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-rw-r--r--gas/config/tc-csky.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/gas/config/tc-csky.c b/gas/config/tc-csky.c
index 9f2975e..6fc24ac 100644
--- a/gas/config/tc-csky.c
+++ b/gas/config/tc-csky.c
@@ -1359,8 +1359,20 @@ md_begin (void)
{
if ((dsp_flag & CSKY_DSP_FLAG_V1))
{
- isa_flag |= (CSKY_ISA_MAC_DSP | CSKY_ISA_DSP);
- isa_flag &= ~CSKY_ISA_DSP_ENHANCE;
+ if (isa_flag & CSKY_ISA_DSP_ENHANCE)
+ {
+ /* Option -mdsp conflicts with -mcpu=ck803ern,
+ CPU already indicates the dsp version. */
+ as_warn ("Option -mdsp conflicts with -mcpu=ck803ern which "
+ "has indicated DSP version, ignoring -mdsp.");
+ isa_flag &= ~(CSKY_ISA_MAC_DSP | CSKY_ISA_DSP);
+ isa_flag |= CSKY_ISA_DSP_ENHANCE;
+ }
+ else
+ {
+ isa_flag |= (CSKY_ISA_MAC_DSP | CSKY_ISA_DSP);
+ isa_flag &= ~CSKY_ISA_DSP_ENHANCE;
+ }
}
if ((dsp_flag & CSKY_DSP_FLAG_V2))
@@ -2938,7 +2950,8 @@ parse_ldst_imm (char **oper, struct csky_opcode_info *op ATTRIBUTE_UNUSED,
if ((e.X_add_number % (1 << shift)) != 0)
{
/* Not aligned. */
- SET_ERROR_NUMBER (ERROR_OFFSET_UNALIGNED, ((unsigned long)1 << shift));
+ SET_ERROR_NUMBER (ERROR_OFFSET_UNALIGNED,
+ (void *)"Operand format is error. eg. \"ld rz, (rx, n)\"");
return FALSE;
}