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[Qemu-devel] [PULL 18/24] target-sparc: Directly implement easy ldf/stf
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PULL 18/24] target-sparc: Directly implement easy ldf/stf asis |
Date: |
Tue, 12 Jul 2016 12:02:12 -0700 |
Tested-by: Mark Cave-Ayland <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
target-sparc/translate.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 0b29aff..2ea6964 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -2282,10 +2282,33 @@ static void gen_ldf_asi(DisasContext *dc, TCGv addr,
int insn, int size, int rd)
{
DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEQ));
+ TCGv_i32 d32;
switch (da.type) {
case GET_ASI_EXCP:
break;
+
+ case GET_ASI_DIRECT:
+ gen_address_mask(dc, addr);
+ switch (size) {
+ case 4:
+ d32 = gen_dest_fpr_F(dc);
+ tcg_gen_qemu_ld_i32(d32, addr, da.mem_idx, da.memop);
+ gen_store_fpr_F(dc, rd, d32);
+ break;
+ case 8:
+ tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
+ break;
+ case 16:
+ tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
+ tcg_gen_addi_tl(addr, addr, 8);
+ tcg_gen_qemu_ld_i64(cpu_fpr[rd/2+1], addr, da.mem_idx, da.memop);
+ break;
+ default:
+ g_assert_not_reached();
+ }
+ break;
+
default:
{
TCGv_i32 r_asi = tcg_const_i32(da.asi);
@@ -2306,10 +2329,32 @@ static void gen_stf_asi(DisasContext *dc, TCGv addr,
int insn, int size, int rd)
{
DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEQ));
+ TCGv_i32 d32;
switch (da.type) {
case GET_ASI_EXCP:
break;
+
+ case GET_ASI_DIRECT:
+ gen_address_mask(dc, addr);
+ switch (size) {
+ case 4:
+ d32 = gen_load_fpr_F(dc, rd);
+ tcg_gen_qemu_st_i32(d32, addr, da.mem_idx, da.memop);
+ break;
+ case 8:
+ tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
+ break;
+ case 16:
+ tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
+ tcg_gen_addi_tl(addr, addr, 8);
+ tcg_gen_qemu_st_i64(cpu_fpr[rd/2+1], addr, da.mem_idx, da.memop);
+ break;
+ default:
+ g_assert_not_reached();
+ }
+ break;
+
default:
{
TCGv_i32 r_asi = tcg_const_i32(da.asi);
--
2.7.4
- [Qemu-devel] [PULL 07/24] target-sparc: Introduce get_asi, (continued)
- [Qemu-devel] [PULL 07/24] target-sparc: Introduce get_asi, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 10/24] target-sparc: Add UA2005 defines to asi.h, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 09/24] target-sparc: Import linux/arch/sparc/include/uapi/asm/asi.h, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 12/24] target-sparc: Directly implement easy ld/st asis, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 13/24] target-sparc: Use QT0 to return results from ldda, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 11/24] target-sparc: Use defines from asi.h, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 19/24] target-sparc: Directly implement block and short ldf/stf asis, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 16/24] target-sparc: Fix obvious error in ASI_M_BFILL, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 14/24] target-sparc: Introduce gen_check_align, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 15/24] target-sparc: Directly implement easy ldd/std asis, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 18/24] target-sparc: Directly implement easy ldf/stf asis,
Richard Henderson <=
- [Qemu-devel] [PULL 17/24] target-sparc: Pass TCGMemOp constants to helper_ld/st_asi, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 20/24] target-sparc: Remove helper_ldf_asi, helper_stf_asi, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 22/24] target-sparc: Use cpu_fsr in stfsr, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 23/24] target-sparc: Use cpu_loop_exit_restore from helper_check_ieee_exceptions, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 24/24] target-sparc: Elide duplicate updates to fprs, Richard Henderson, 2016/07/12
- [Qemu-devel] [PULL 21/24] target-sparc: Use explicit writes to cpu_fsr, Richard Henderson, 2016/07/12
- Re: [Qemu-devel] [PULL 00/24] target-sparc improvements, Peter Maydell, 2016/07/14