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X-Received-From: 2607:f8b0:4864:20::441 Subject: [Qemu-devel] [PATCH for-4.1 v2 11/13] tcg/ppc: Update vector support to v2.06 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.cave-ayland@ilande.co.uk, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This includes double-word loads and stores, double-word load and splat, and double-word permute. All of which require multiple operations in the base Altivec instruction set. Signed-off-by: Richard Henderson --- tcg/ppc/tcg-target.inc.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c index 4c5943be03..e6f3dca394 100644 --- a/tcg/ppc/tcg-target.inc.c +++ b/tcg/ppc/tcg-target.inc.c @@ -66,6 +66,7 @@ static tcg_insn_unit *tb_ret_addr; =20 bool have_isa_altivec; bool have_isa_2_06; +bool have_isa_2_06_vsx; bool have_isa_3_00; =20 #define HAVE_ISA_2_06 have_isa_2_06 @@ -470,9 +471,12 @@ static int tcg_target_const_match(tcg_target_long val,= TCGType type, #define LVEBX XO31(7) #define LVEHX XO31(39) #define LVEWX XO31(71) +#define LXSDX XO31(588) /* v2.06 */ +#define LXVDSX XO31(332) /* v2.06 */ =20 #define STVX XO31(231) #define STVEWX XO31(199) +#define STXSDX XO31(716) /* v2.06 */ =20 #define VADDSBS VX4(768) #define VADDUBS VX4(512) @@ -562,6 +566,8 @@ static int tcg_target_const_match(tcg_target_long val, = TCGType type, #define VPERM VX4(43) #define VSLDOI VX4(44) =20 +#define XXPERMDI (OPCD(60) | (10 << 3)) /* 2.06 */ + #define RT(r) ((r)<<21) #define RS(r) ((r)<<21) #define RA(r) ((r)<<16) @@ -853,6 +859,15 @@ static void tcg_out_imm_vec(TCGContext *s, TCGReg ret, uint64_t t =3D l; l =3D h; h =3D t; #endif =20 + if (have_isa_2_06_vsx && l =3D=3D h) { + new_pool_label(s, l, R_PPC_ADDR16, s->code_ptr, + -(intptr_t)s->code_gen_ptr); + tcg_out32(s, ADDIS | TAI(TCG_REG_TMP1, TCG_REG_TB, 0)); + tcg_out32(s, ADDI | TAI(TCG_REG_TMP1, TCG_REG_TMP1, 0)); + tcg_out32(s, LXVDSX | 1 | VRT(ret) | RB(TCG_REG_TMP1)); + return; + } + /* FIXME: 32-bit altivec */ new_pool_l2(s, R_PPC_ADDR16, s->code_ptr, -(intptr_t)s->code_gen_ptr, h, l); @@ -1114,6 +1129,10 @@ static void tcg_out_ld(TCGContext *s, TCGType type, = TCGReg ret, /* fallthru */ case TCG_TYPE_V64: tcg_debug_assert(ret >=3D 32); + if (have_isa_2_06_vsx) { + tcg_out_mem_long(s, 0, LXSDX | 1, ret & 31, base, offset); + break; + } assert((offset & 7) =3D=3D 0); tcg_out_mem_long(s, 0, LVX, ret & 31, base, offset); if (offset & 8) { @@ -1157,6 +1176,10 @@ static void tcg_out_st(TCGContext *s, TCGType type, = TCGReg arg, /* fallthru */ case TCG_TYPE_V64: tcg_debug_assert(arg >=3D 32); + if (have_isa_2_06_vsx) { + tcg_out_mem_long(s, 0, STXSDX | 1, arg & 31, base, offset); + break; + } assert((offset & 7) =3D=3D 0); if (offset & 8) { tcg_out32(s, VSLDOI | VRT(TCG_VEC_TMP1) @@ -2927,6 +2950,10 @@ static void tcg_out_dupm_vec(TCGContext *s, unsigned= vece, TCGReg out, tcg_out32(s, VSPLTW | VRT(out) | VRB(out) | (elt << 16)); break; case MO_64: + if (have_isa_2_06_vsx) { + tcg_out_mem_long(s, 0, LXVDSX | 1, out, base, offset); + break; + } assert((offset & 7) =3D=3D 0); tcg_out_mem_long(s, 0, LVX, out, base, offset); /* FIXME: 32-bit altivec */ @@ -3054,6 +3081,10 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode = opc, tcg_out32(s, VSPLTW | VRT(a0) | VRB(a1) | (1 << 16)); break; case MO_64: + if (have_isa_2_06_vsx) { + tcg_out32(s, XXPERMDI | 7 | VRT(a0) | VRA(a1) | VRB(a1)); + break; + } /* FIXME: 32-bit altivec */ tcg_out_dupi_vec(s, TCG_TYPE_V128, TCG_VEC_TMP1, 0x0001020304050607ull); @@ -3487,6 +3518,9 @@ static void tcg_target_init(TCGContext *s) } if (hwcap & PPC_FEATURE_ARCH_2_06) { have_isa_2_06 =3D true; + if (hwcap & PPC_FEATURE_HAS_VSX) { + have_isa_2_06_vsx =3D true; + } } #ifdef PPC_FEATURE2_ARCH_3_00 if (hwcap2 & PPC_FEATURE2_ARCH_3_00) { --=20 2.17.2