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[Qemu-devel] [PATCH v2 4/8] SPARC64: fp_disabled checks on stfa/stdfa/st
From: |
Tsuneo Saito |
Subject: |
[Qemu-devel] [PATCH v2 4/8] SPARC64: fp_disabled checks on stfa/stdfa/stqfa |
Date: |
Thu, 14 Jul 2011 18:41:39 +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 | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index a5a8eaf..5f92dbb 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -4732,6 +4732,9 @@ 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 */
@@ -4739,6 +4742,9 @@ 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);
@@ -4746,6 +4752,9 @@ 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 v2 0/8] SPARC64: Implement sparcv9 ldfa/stfa instructions, Tsuneo Saito, 2011/07/14
- [Qemu-devel] [PATCH v2 1/8] SPARC64: Implement ldfa/lddfa/ldqfa instructions properly, Tsuneo Saito, 2011/07/14
- [Qemu-devel] [PATCH v2 2/8] SPARC64: fp_disabled checks on ldfa/lddfa/ldqfa, Tsuneo Saito, 2011/07/14
- [Qemu-devel] [PATCH v2 3/8] SPARC64: Implement stfa/stdfa/stqfa instrcutions properly, Tsuneo Saito, 2011/07/14
- [Qemu-devel] [PATCH v2 4/8] SPARC64: fp_disabled checks on stfa/stdfa/stqfa,
Tsuneo Saito <=
- [Qemu-devel] [PATCH v2 6/8] SPARC64: Add UA2007 ASI_BLK_AIU[PS]L? ASIs for stfa, Tsuneo Saito, 2011/07/14
- [Qemu-devel] [PATCH v2 5/8] SPARC64: Add UA2007 ASI_BLK_AIU[PS]L? ASIs for ldfa, Tsuneo Saito, 2011/07/14
- [Qemu-devel] [PATCH v2 7/8] SPARC64: Add JPS1 ASI_BLK_AIU[PS]L ASIs for ldfa and stfa, Tsuneo Saito, 2011/07/14
- [Qemu-devel] [PATCH v2 8/8] SPARC64: C99 comment fix for block-transfer ASIs, Tsuneo Saito, 2011/07/14
- Re: [Qemu-devel] [PATCH v2 0/8] SPARC64: Implement sparcv9 ldfa/stfa instructions, Blue Swirl, 2011/07/14