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authorBastian Koppelmann2019-02-13 16:54:09 +0100
committerBastian Koppelmann2019-03-13 10:40:50 +0100
commit25e6ca30c668783cd72ff97080ff44e141b99f9b (patch)
tree4d178a4eebbb64138d274664446b4791cb060055 /target
parenttarget/riscv: Remove gen_system() (diff)
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target/riscv: Remove decode_RV32_64G()
decodetree handles all instructions now so the fallback is not necessary anymore. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>
Diffstat (limited to 'target')
-rw-r--r--target/riscv/translate.c21
1 files changed, 1 insertions, 20 deletions
diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index 92be090bc7..049fa65c66 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -651,24 +651,6 @@ bool decode_insn16(DisasContext *ctx, uint16_t insn);
#include "decode_insn16.inc.c"
#include "insn_trans/trans_rvc.inc.c"
-static void decode_RV32_64G(DisasContext *ctx)
-{
- uint32_t op;
-
- /* We do not do misaligned address check here: the address should never be
- * misaligned at this point. Instructions that set PC must do the check,
- * since epc must be the address of the instruction that caused us to
- * perform the misaligned instruction fetch */
-
- op = MASK_OP_MAJOR(ctx->opcode);
-
- switch (op) {
- default:
- gen_exception_illegal(ctx);
- break;
- }
-}
-
static void decode_opc(DisasContext *ctx)
{
/* check for compressed insn */
@@ -685,8 +667,7 @@ static void decode_opc(DisasContext *ctx)
} else {
ctx->pc_succ_insn = ctx->base.pc_next + 4;
if (!decode_insn32(ctx, ctx->opcode)) {
- /* fallback to old decoder */
- decode_RV32_64G(ctx);
+ gen_exception_illegal(ctx);
}
}
}