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| author | Richard Henderson <rth@twiddle.net> | 2015-09-09 11:34:28 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-07-12 11:02:58 -0700 |
| commit | 02c79d78853f07d519b3272d06e43041eb4a4105 (patch) | |
| tree | a13d97c983ef44cb6b65006bc2c60f3505b80850 /target-sparc/translate.c | |
| parent | ba2397d1ca6546e8cf5bd9e2939923546ac3091a (diff) | |
| download | qemu-02c79d78853f07d519b3272d06e43041eb4a4105.zip qemu-02c79d78853f07d519b3272d06e43041eb4a4105.tar.gz qemu-02c79d78853f07d519b3272d06e43041eb4a4105.tar.bz2 | |
target-sparc: Use cpu_loop_exit_restore from helper_check_ieee_exceptions
This avoids needing to save state before every FP operation.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-sparc/translate.c')
| -rw-r--r-- | target-sparc/translate.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c index dea1b5f..590a58d 100644 --- a/target-sparc/translate.c +++ b/target-sparc/translate.c @@ -3464,7 +3464,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) rs1 = GET_FIELD(insn, 13, 17); rs2 = GET_FIELD(insn, 27, 31); xop = GET_FIELD(insn, 18, 26); - save_state(dc); + switch (xop) { case 0x1: /* fmovs */ cpu_src1_32 = gen_load_fpr_F(dc, rs2); @@ -3639,7 +3639,6 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) rs1 = GET_FIELD(insn, 13, 17); rs2 = GET_FIELD(insn, 27, 31); xop = GET_FIELD(insn, 18, 26); - save_state(dc); #ifdef TARGET_SPARC64 #define FMOVR(sz) \ @@ -5276,7 +5275,6 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) if (gen_trap_ifnofpu(dc)) { goto jmp_insn; } - save_state(dc); switch (xop) { case 0x20: /* ldf, load fpreg */ gen_address_mask(dc, cpu_addr); @@ -5390,7 +5388,6 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) if (gen_trap_ifnofpu(dc)) { goto jmp_insn; } - save_state(dc); switch (xop) { case 0x24: /* stf, store fpreg */ { @@ -5449,7 +5446,6 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) goto illegal_insn; } } else if (xop > 0x33 && xop < 0x3f) { - save_state(dc); switch (xop) { #ifdef TARGET_SPARC64 case 0x34: /* V9 stfa */ |