diff options
| author | Matheus Ferst <matheus.ferst@eldorado.org.br> | 2022-03-30 14:59:31 -0300 |
|---|---|---|
| committer | Daniel Henrique Barboza <danielhb413@gmail.com> | 2022-04-20 18:00:30 -0300 |
| commit | 67332e07187bee210e9c7d03b2b4c6f6ab79c2a4 (patch) | |
| tree | 58da20fc461f4d3f8fbd3cf54713f38c9acc81e0 /target | |
| parent | bea592300b387fa62fda59878886eb84fe373374 (diff) | |
target/ppc: implement xscv[su]qqp
Implement the following PowerISA v3.1 instructions:
xscvsqqp: VSX Scalar Convert with round Signed Quadword to
Quad-Precision
xscvuqqp: VSX Scalar Convert with round Unsigned Quadword to
Quad-Precision format
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220330175932.6995-8-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/ppc/fpu_helper.c | 12 | ||||
| -rw-r--r-- | target/ppc/helper.h | 2 | ||||
| -rw-r--r-- | target/ppc/insn32.decode | 5 | ||||
| -rw-r--r-- | target/ppc/translate/vsx-impl.c.inc | 20 |
4 files changed, 39 insertions, 0 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 7e8be99cc0..97892afa95 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -3058,6 +3058,18 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb) \ VSX_CVT_INT_TO_FP2(xvcvsxdsp, int64, float32) VSX_CVT_INT_TO_FP2(xvcvuxdsp, uint64, float32) +#define VSX_CVT_INT128_TO_FP(op, tp) \ +void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)\ +{ \ + helper_reset_fpstatus(env); \ + xt->f128 = tp##_to_float128(xb->s128, &env->fp_status); \ + helper_compute_fprf_float128(env, xt->f128); \ + do_float_check_status(env, GETPC()); \ +} + +VSX_CVT_INT128_TO_FP(XSCVUQQP, uint128); +VSX_CVT_INT128_TO_FP(XSCVSQQP, int128); + /* * VSX_CVT_INT_TO_FP_VECTOR - VSX integer to floating point conversion * op - instruction mnemonic diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 57da11c77e..7df0c01819 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -388,6 +388,8 @@ DEF_HELPER_4(xscvqpsdz, void, env, i32, vsr, vsr) DEF_HELPER_4(xscvqpswz, void, env, i32, vsr, vsr) DEF_HELPER_4(xscvqpudz, void, env, i32, vsr, vsr) DEF_HELPER_4(xscvqpuwz, void, env, i32, vsr, vsr) +DEF_HELPER_3(XSCVUQQP, void, env, vsr, vsr) +DEF_HELPER_3(XSCVSQQP, void, env, vsr, vsr) DEF_HELPER_3(xscvhpdp, void, env, vsr, vsr) DEF_HELPER_4(xscvsdqp, void, env, i32, vsr, vsr) DEF_HELPER_3(xscvspdp, void, env, vsr, vsr) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index ac2d3da9a7..6fb568c1fe 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -91,6 +91,9 @@ @X_tp_a_bp_rc ...... ....0 ra:5 ....0 .......... rc:1 &X_rc rt=%x_frtp rb=%x_frbp +&X_tb rt rb +@X_tb ...... rt:5 ..... rb:5 .......... . &X_tb + &X_tb_rc rt rb rc:bool @X_tb_rc ...... rt:5 ..... rb:5 .......... rc:1 &X_tb_rc @@ -692,6 +695,8 @@ XSCMPGTQP 111111 ..... ..... ..... 0011100100 - @X ## VSX Binary Floating-Point Convert Instructions XSCVQPDP 111111 ..... 10100 ..... 1101000100 . @X_tb_rc +XSCVUQQP 111111 ..... 00011 ..... 1101000100 - @X_tb +XSCVSQQP 111111 ..... 01011 ..... 1101000100 - @X_tb XVCVBF16SPN 111100 ..... 10000 ..... 111011011 .. @XX2 XVCVSPBF16 111100 ..... 10001 ..... 111011011 .. @XX2 diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index 7181a672d8..bda681e65c 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -838,6 +838,26 @@ static bool trans_XSCVQPDP(DisasContext *ctx, arg_X_tb_rc *a) return true; } +static bool do_helper_env_X_tb(DisasContext *ctx, arg_X_tb *a, + void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_ptr)) +{ + TCGv_ptr xt, xb; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VSX(ctx); + + xt = gen_avr_ptr(a->rt); + xb = gen_avr_ptr(a->rb); + gen_helper(cpu_env, xt, xb); + tcg_temp_free_ptr(xt); + tcg_temp_free_ptr(xb); + + return true; +} + +TRANS(XSCVUQQP, do_helper_env_X_tb, gen_helper_XSCVUQQP) +TRANS(XSCVSQQP, do_helper_env_X_tb, gen_helper_XSCVSQQP) + #define GEN_VSX_HELPER_2(name, op1, op2, inval, type) \ static void gen_##name(DisasContext *ctx) \ { \ |