[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] target-cris: Use new qemu_ld/st opcodes
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH] target-cris: Use new qemu_ld/st opcodes |
Date: |
Sat, 7 Dec 2013 14:52:34 +1300 |
Using the new opcodes we can reduce if/else trees to
a single statement.
Cc: Edgar E. Iglesias <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
target-cris/translate.c | 29 ++++-------------------------
1 file changed, 4 insertions(+), 25 deletions(-)
diff --git a/target-cris/translate.c b/target-cris/translate.c
index 5faa44c..f990d59 100644
--- a/target-cris/translate.c
+++ b/target-cris/translate.c
@@ -1133,7 +1133,7 @@ static void gen_load64(DisasContext *dc, TCGv_i64 dst,
TCGv addr)
cris_store_direct_jmp(dc);
}
- tcg_gen_qemu_ld64(dst, addr, mem_index);
+ tcg_gen_qemu_ld_i64(dst, addr, mem_index, MO_TEQ);
}
static void gen_load(DisasContext *dc, TCGv dst, TCGv addr,
@@ -1147,23 +1147,8 @@ static void gen_load(DisasContext *dc, TCGv dst, TCGv
addr,
cris_store_direct_jmp(dc);
}
- if (size == 1) {
- if (sign) {
- tcg_gen_qemu_ld8s(dst, addr, mem_index);
- } else {
- tcg_gen_qemu_ld8u(dst, addr, mem_index);
- }
- } else if (size == 2) {
- if (sign) {
- tcg_gen_qemu_ld16s(dst, addr, mem_index);
- } else {
- tcg_gen_qemu_ld16u(dst, addr, mem_index);
- }
- } else if (size == 4) {
- tcg_gen_qemu_ld32u(dst, addr, mem_index);
- } else {
- abort();
- }
+ tcg_gen_qemu_ld_tl(dst, addr, mem_index,
+ MO_TE + ctz32(size) + (sign ? MO_SIGN : 0));
}
static void gen_store (DisasContext *dc, TCGv addr, TCGv val,
@@ -1187,13 +1172,7 @@ static void gen_store (DisasContext *dc, TCGv addr, TCGv
val,
return;
}
- if (size == 1) {
- tcg_gen_qemu_st8(val, addr, mem_index);
- } else if (size == 2) {
- tcg_gen_qemu_st16(val, addr, mem_index);
- } else {
- tcg_gen_qemu_st32(val, addr, mem_index);
- }
+ tcg_gen_qemu_st_tl(val, addr, mem_index, MO_TE + ctz32(size));
if (dc->flagx_known && dc->flags_x) {
cris_evaluate_flags(dc);
--
1.8.3.1
- [Qemu-devel] [PATCH] target-cris: Use new qemu_ld/st opcodes,
Richard Henderson <=