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[Qemu-devel] [PATCH 4/4] SPARC64: fp_disabled checks on stfa/stdfa/stqfa
From: |
Tsuneo Saito |
Subject: |
[Qemu-devel] [PATCH 4/4] SPARC64: fp_disabled checks on stfa/stdfa/stqfa |
Date: |
Wed, 13 Jul 2011 12:30:49 +0900 |
stfa/stdfa/stqfa instructions should raise fp_disabled exceptions
if %pstate.PEF==0 or %fprs.FEF==0.
Signed-off-by: Tsuneo Saito <address@hidden>
---
target-sparc/translate.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 95e78a3..94c1000 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -4729,6 +4729,8 @@ static void disas_sparc_insn(DisasContext * dc)
switch (xop) {
#ifdef TARGET_SPARC64
case 0x34: /* V9 stfa */
+ if (gen_trap_ifnofpu(dc, cpu_cond))
+ goto jmp_insn;
gen_stf_asi(cpu_addr, insn, 4, rd);
break;
case 0x36: /* V9 stqfa */
@@ -4736,6 +4738,8 @@ static void disas_sparc_insn(DisasContext * dc)
TCGv_i32 r_const;
CHECK_FPU_FEATURE(dc, FLOAT128);
+ if (gen_trap_ifnofpu(dc, cpu_cond))
+ goto jmp_insn;
r_const = tcg_const_i32(7);
gen_helper_check_align(cpu_addr, r_const);
tcg_temp_free_i32(r_const);
@@ -4743,6 +4747,8 @@ static void disas_sparc_insn(DisasContext * dc)
}
break;
case 0x37: /* V9 stdfa */
+ if (gen_trap_ifnofpu(dc, cpu_cond))
+ goto jmp_insn;
gen_stf_asi(cpu_addr, insn, 8, DFPREG(rd));
break;
case 0x3c: /* V9 casa */
--
1.7.5.4
[Qemu-devel] [PATCH 2/4] SPARC64: fp_disabled checks on ldfa/lddfa/ldqfa, Tsuneo Saito, 2011/07/12
[Qemu-devel] [PATCH 3/4] SPARC64: Implement stfa/stdfa/stqfa instrcutions properly, Tsuneo Saito, 2011/07/12
[Qemu-devel] [PATCH 4/4] SPARC64: fp_disabled checks on stfa/stdfa/stqfa,
Tsuneo Saito <=
Re: [Qemu-devel] [PATCH 0/4] SPARC64: Implement sparcv9 ldfa/stfa instructions, Artyom Tarasenko, 2011/07/13
- Re: [Qemu-devel] [PATCH 0/4] SPARC64: Implement sparcv9 ldfa/stfa instructions, tsnsaito, 2011/07/13
- Re: [Qemu-devel] [PATCH 0/4] SPARC64: Implement sparcv9 ldfa/stfa instructions, Mark Cave-Ayland, 2011/07/13
- Re: [Qemu-devel] [PATCH 0/4] SPARC64: Implement sparcv9 ldfa/stfa instructions, tsnsaito, 2011/07/13
- Re: [Qemu-devel] [PATCH 0/4] SPARC64: Implement sparcv9 ldfa/stfa instructions, Blue Swirl, 2011/07/13
- Re: [Qemu-devel] [PATCH 0/4] SPARC64: Implement sparcv9 ldfa/stfa instructions, tsnsaito, 2011/07/13
- Re: [Qemu-devel] [PATCH 0/4] SPARC64: Implement sparcv9 ldfa/stfa instructions, Artyom Tarasenko, 2011/07/14
- Re: [Qemu-devel] [PATCH 0/4] SPARC64: Implement sparcv9 ldfa/stfa instructions, tsnsaito, 2011/07/14
- Re: [Qemu-devel] [PATCH 0/4] SPARC64: Implement sparcv9 ldfa/stfa instructions, Blue Swirl, 2011/07/14
- Re: [Qemu-devel] [PATCH 0/4] SPARC64: Implement sparcv9 ldfa/stfa instructions, tsnsaito, 2011/07/14