From 8872eb4f567b9ae36dbd9c320f6a86c53a776d43 Mon Sep 17 00:00:00 2001
From: Tsuneo Saito <tsnsaito@gmail.com>
Date: Thu, 14 Jul 2011 18:41:37 +0900
Subject: [PATCH] SPARC64: fp_disabled checks on ldfa/lddfa/ldqfa
ldfa/lddfa/ldqfa instructions should raise fp_disabled exceptions
if %pstate.PEF==0 or %fprs.FEF==0.
Signed-off-by: Tsuneo Saito <tsnsaito@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---
target-sparc/translate.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index f32a674f35..1e7e68d397 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -4484,10 +4484,16 @@ static void disas_sparc_insn(DisasContext * dc)
case 0x2d: /* V9 prefetch, no effect */
goto skip_move;
case 0x30: /* V9 ldfa */
+ if (gen_trap_ifnofpu(dc, cpu_cond)) {
+ goto jmp_insn;
+ }
save_state(dc, cpu_cond);
gen_ldf_asi(cpu_addr, insn, 4, rd);
goto skip_move;
case 0x33: /* V9 lddfa */
+ if (gen_trap_ifnofpu(dc, cpu_cond)) {
+ goto jmp_insn;
+ }
save_state(dc, cpu_cond);
gen_ldf_asi(cpu_addr, insn, 8, DFPREG(rd));
goto skip_move;
@@ -4495,6 +4501,9 @@ static void disas_sparc_insn(DisasContext * dc)
goto skip_move;
case 0x32: /* V9 ldqfa */
CHECK_FPU_FEATURE(dc, FLOAT128);
+ if (gen_trap_ifnofpu(dc, cpu_cond)) {
+ goto jmp_insn;
+ }
save_state(dc, cpu_cond);
gen_ldf_asi(cpu_addr, insn, 16, QFPREG(rd));
goto skip_move;
--
2.30.2