diff options
| author | Matheus Ferst <matheus.ferst@eldorado.org.br> | 2022-03-02 06:51:38 +0100 |
|---|---|---|
| committer | Cédric Le Goater <clg@kaod.org> | 2022-03-02 06:51:38 +0100 |
| commit | 41c2877f524c7715867c20b4936cf729ccc30996 (patch) | |
| tree | 15158bbcbe2bbdcd67a863a1d02e5d24def88689 /target/ppc | |
| parent | d31b2c1940629638e211d0c88e3206c74212ba3e (diff) | |
| download | qemu-41c2877f524c7715867c20b4936cf729ccc30996.zip qemu-41c2877f524c7715867c20b4936cf729ccc30996.tar.gz qemu-41c2877f524c7715867c20b4936cf729ccc30996.tar.bz2 | |
target/ppc: Implement xxpermx instruction
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220225210936.1749575-33-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'target/ppc')
| -rw-r--r-- | target/ppc/helper.h | 1 | ||||
| -rw-r--r-- | target/ppc/insn64.decode | 8 | ||||
| -rw-r--r-- | target/ppc/int_helper.c | 20 | ||||
| -rw-r--r-- | target/ppc/translate/vsx-impl.c.inc | 22 |
4 files changed, 51 insertions, 0 deletions
diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 2338002..7eda742 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -495,6 +495,7 @@ DEF_HELPER_3(xvrspim, void, env, vsr, vsr) DEF_HELPER_3(xvrspip, void, env, vsr, vsr) DEF_HELPER_3(xvrspiz, void, env, vsr, vsr) DEF_HELPER_4(xxextractuw, void, env, vsr, vsr, i32) +DEF_HELPER_FLAGS_5(XXPERMX, TCG_CALL_NO_RWG, void, vsr, vsr, vsr, vsr, tl) DEF_HELPER_4(xxinsertw, void, env, vsr, vsr, i32) DEF_HELPER_3(xvxsigsp, void, env, vsr, vsr) DEF_HELPER_5(XXBLENDVB, void, vsr, vsr, vsr, vsr, i32) diff --git a/target/ppc/insn64.decode b/target/ppc/insn64.decode index 9e4f531..0963e06 100644 --- a/target/ppc/insn64.decode +++ b/target/ppc/insn64.decode @@ -54,6 +54,11 @@ ...... ..... ..... ..... ..... .. .... \ &8RR_XX4 xt=%8rr_xx_xt xa=%8rr_xx_xa xb=%8rr_xx_xb xc=%8rr_xx_xc +&8RR_XX4_uim3 xt xa xb xc uim3 +@8RR_XX4_uim3 ...... .. .... .. ............... uim3:3 \ + ...... ..... ..... ..... ..... .. .... \ + &8RR_XX4_uim3 xt=%8rr_xx_xt xa=%8rr_xx_xa xb=%8rr_xx_xb xc=%8rr_xx_xc + ### Fixed-Point Load Instructions PLBZ 000001 10 0--.-- .................. \ @@ -194,3 +199,6 @@ XXBLENDVH 000001 01 0000 -- ------------------ \ 100001 ..... ..... ..... ..... 01 .... @8RR_XX4 XXBLENDVB 000001 01 0000 -- ------------------ \ 100001 ..... ..... ..... ..... 00 .... @8RR_XX4 + +XXPERMX 000001 01 0000 -- --------------- ... \ + 100010 ..... ..... ..... ..... 00 .... @8RR_XX4_uim3 diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 6c63c7b..d9bfdc2 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -1015,6 +1015,26 @@ VMUL(UW, u32, VsrW, VsrD, uint64_t) #undef VMUL_DO_ODD #undef VMUL +void helper_XXPERMX(ppc_vsr_t *t, ppc_vsr_t *s0, ppc_vsr_t *s1, ppc_vsr_t *pcv, + target_ulong uim) +{ + int i, idx; + ppc_vsr_t tmp = { .u64 = {0, 0} }; + + for (i = 0; i < ARRAY_SIZE(t->u8); i++) { + if ((pcv->VsrB(i) >> 5) == uim) { + idx = pcv->VsrB(i) & 0x1f; + if (idx < ARRAY_SIZE(t->u8)) { + tmp.VsrB(i) = s0->VsrB(idx); + } else { + tmp.VsrB(i) = s1->VsrB(idx - ARRAY_SIZE(t->u8)); + } + } + } + + *t = tmp; +} + void helper_VPERM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) { ppc_avr_t result; diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index cdefa13..92851b8 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -1234,6 +1234,28 @@ static bool trans_XXPERMDI(DisasContext *ctx, arg_XX3_dm *a) return true; } +static bool trans_XXPERMX(DisasContext *ctx, arg_8RR_XX4_uim3 *a) +{ + TCGv_ptr xt, xa, xb, xc; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VSX(ctx); + + xt = gen_vsr_ptr(a->xt); + xa = gen_vsr_ptr(a->xa); + xb = gen_vsr_ptr(a->xb); + xc = gen_vsr_ptr(a->xc); + + gen_helper_XXPERMX(xt, xa, xb, xc, tcg_constant_tl(a->uim3)); + + tcg_temp_free_ptr(xt); + tcg_temp_free_ptr(xa); + tcg_temp_free_ptr(xb); + tcg_temp_free_ptr(xc); + + return true; +} + #define GEN_VSX_HELPER_VSX_MADD(name, op1, aop, mop, inval, type) \ static void gen_##name(DisasContext *ctx) \ { \ |