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| author | Tom Musta <tommusta@gmail.com> | 2014-01-07 10:06:10 -0600 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-03-05 03:06:44 +0100 |
| commit | 66c3e32841f185243efa59381ab7721b24deca35 (patch) | |
| tree | 046a51c314aaa65e3e655548335e3a7d32653143 /target-ppc/translate.c | |
| parent | ce8ca30b398fb74e522be1a9ea87aa7868f27428 (diff) | |
| download | qemu-66c3e32841f185243efa59381ab7721b24deca35.zip qemu-66c3e32841f185243efa59381ab7721b24deca35.tar.gz qemu-66c3e32841f185243efa59381ab7721b24deca35.tar.bz2 | |
target-ppc: Add ISA2.06 lfiwzx Instruction
This patch adds the Load Floating Point as Integer Word and
Zero Indexed (lfiwzx) instruction which was introduced in
Power ISA 2.06.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index c9aebc5..951f15e 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -3508,6 +3508,20 @@ static void gen_lfiwax(DisasContext *ctx) tcg_temp_free(t0); } +/* lfiwzx */ +static void gen_lfiwzx(DisasContext *ctx) +{ + TCGv EA; + if (unlikely(!ctx->fpu_enabled)) { + gen_exception(ctx, POWERPC_EXCP_FPU); + return; + } + gen_set_access_type(ctx, ACCESS_FLOAT); + EA = tcg_temp_new(); + gen_addr_reg_index(ctx, EA); + gen_qemu_ld32u_i64(ctx, cpu_fpr[rD(ctx->opcode)], EA); + tcg_temp_free(EA); +} /*** Floating-point store ***/ #define GEN_STF(name, stop, opc, type) \ static void glue(gen_, name)(DisasContext *ctx) \ @@ -9984,6 +9998,7 @@ GEN_LDXF(name, ldop, 0x17, op | 0x00, type) GEN_LDFS(lfd, ld64, 0x12, PPC_FLOAT) GEN_LDFS(lfs, ld32fs, 0x10, PPC_FLOAT) GEN_HANDLER_E(lfiwax, 0x1f, 0x17, 0x1a, 0x00000001, PPC_NONE, PPC2_ISA205), +GEN_HANDLER_E(lfiwzx, 0x1f, 0x17, 0x1b, 0x1, PPC_NONE, PPC2_FP_CVT_ISA206), GEN_HANDLER_E(lfdp, 0x39, 0xFF, 0xFF, 0x00200003, PPC_NONE, PPC2_ISA205), GEN_HANDLER_E(lfdpx, 0x1F, 0x17, 0x18, 0x00200001, PPC_NONE, PPC2_ISA205), |