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| author | Tsuneo Saito <tsnsaito@gmail.com> | 2011-07-14 18:41:37 +0900 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-07-14 15:35:01 +0000 |
| commit | 8872eb4f567b9ae36dbd9c320f6a86c53a776d43 (patch) | |
| tree | 0c1207cbd1a28024e5fe34c246da79b0c9260d2f /target-sparc | |
| parent | 4183f36df0bf8cb82dda423414aa3b1a82e91ce9 (diff) | |
| download | qemu-8872eb4f567b9ae36dbd9c320f6a86c53a776d43.zip | |
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>
Diffstat (limited to 'target-sparc')
| -rw-r--r-- | 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 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; |