[PATCH] target/mips: fix emulation of nanoMIPS BPOSGE32 instruction

[Aleksandar Rikalo]

Per the "MIPS® Architecture Extension: nanoMIPS32 DSP Technical
Reference Manual — Revision 0.04" p. 88 "BPOSGE32C", offset argument (imm)
should be left-shifted first.
This change was tested against test_dsp_r1_bposge32.c DSP test.

Reviewed-by: Aleksandar Rikalo <aleksandar.rik...@syrmia.com>
Signed-off-by: Filip Vidojevic <filip.vidoje...@syrmia.com>
---
 target/mips/tcg/translate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c
index 797eba4434..2d0a723061 100644
--- a/target/mips/tcg/translate.c
+++ b/target/mips/tcg/translate.c
@@ -21137,7 +21137,7 @@ static int decode_nanomips_32_48_opc(CPUMIPSState *env, 
DisasContext *ctx)
                                       extract32(ctx->opcode, 0, 1) << 13;

                         gen_compute_branch_nm(ctx, OPC_BPOSGE32, 4, -1, -2,
-                                              imm);
+                                              imm << 1);
                     }
                     break;
                 default:
--
2.25.1