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[Qemu-devel] [PATCH 19/25] target-sparc: Directly implement easy ldf/stf
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 19/25] target-sparc: Directly implement easy ldf/stf asis |
Date: |
Thu, 17 Dec 2015 12:57:12 -0800 |
Signed-off-by: Richard Henderson <address@hidden>
---
target-sparc/translate.c | 43 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index a10f588..d28e5f6 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -2290,10 +2290,32 @@ 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:
+ 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);
@@ -2314,10 +2336,31 @@ 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:
+ 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);
--
2.5.0
- [Qemu-devel] [PATCH 00/25] target-sparc improvements, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 03/25] target-sparc: Store mmu index in TB flags, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 04/25] target-sparc: Create gen_exception, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 02/25] target-sparc: Remove softint as a TCG global, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 01/25] target-sparc: Mark more flags for helpers, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 10/25] target-sparc: Add UA2011 defines to asi.h, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 12/25] target-sparc: Add MMU_REAL_IDX, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 17/25] target-sparc: Fix obvious error in ASI_M_BFILL, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 15/25] target-sparc: Introduce gen_check_align, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 14/25] target-sparc: Use QT0 to return results from ldda, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 19/25] target-sparc: Directly implement easy ldf/stf asis,
Richard Henderson <=
- [Qemu-devel] [PATCH 20/25] target-sparc: Directly implement block and short ldf/stf asis, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 21/25] target-sparc: Remove helper_ldf_asi, helper_stf_asi, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 23/25] target-sparc: Use cpu_fsr in stfsr, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 24/25] target-sparc: Use cpu_loop_exit_restore from helper_check_ieee_exceptions, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 25/25] target-sparc: Elide duplicate updates to fprs, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 06/25] target-sparc: Store %asi in TB flags, Richard Henderson, 2015/12/17
- [Qemu-devel] [PATCH 08/25] target-sparc: Pass TCGMemOp to gen_ld/st_asi, Richard Henderson, 2015/12/17
- Re: [Qemu-devel] [PATCH 00/25] target-sparc improvements, Richard Henderson, 2015/12/17
- Re: [Qemu-devel] [PATCH 00/25] target-sparc improvements, Mark Cave-Ayland, 2015/12/29