[v4,6/7] tcg/ppc: Update vector support to v2.07

Message ID	20190519041522.12327-7-richard.henderson@linaro.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> From: Richard Henderson <richard.henderson@linaro.org> To: qemu-devel@nongnu.org Date: Sat, 18 May 2019 21:15:21 -0700 Message-Id: <20190519041522.12327-7-richard.henderson@linaro.org> In-Reply-To: <20190519041522.12327-1-richard.henderson@linaro.org> References: <20190519041522.12327-1-richard.henderson@linaro.org> Subject: [Qemu-devel] [PATCH v4 6/7] tcg/ppc: Update vector support to v2.07 Precedence: list Cc: mark.cave-ayland@ilande.co.uk Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org>
Series	tcg/ppc: Add vector opcodes \| expand [v4,0/7] tcg/ppc: Add vector opcodes [v4,1/7] tcg/ppc: Initial backend support for Altivec [v4,2/7] tcg/ppc: Support vector shift by immediate [v4,3/7] tcg/ppc: Support vector multiply [v4,4/7] tcg/ppc: Support vector dup2 [v4,5/7] tcg/ppc: Update vector support to v2.06 [v4,6/7] tcg/ppc: Update vector support to v2.07 [v4,7/7] tcg/ppc: Update vector support to v3.00

diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h index 40544f996d..b8355d0a56 100644 --- a/tcg/ppc/tcg-target.h +++ b/tcg/ppc/tcg-target.h @@ -61,6 +61,7 @@ typedef enum { extern bool have_isa_altivec; extern bool have_isa_2_06; extern bool have_isa_2_06_vsx; +extern bool have_isa_2_07_vsx; extern bool have_isa_3_00; /* optional instructions automatically implemented */ @@ -147,7 +148,7 @@ extern bool have_isa_3_00; #define TCG_TARGET_HAS_v256 0 #define TCG_TARGET_HAS_andc_vec 1 -#define TCG_TARGET_HAS_orc_vec 0 +#define TCG_TARGET_HAS_orc_vec have_isa_2_07_vsx #define TCG_TARGET_HAS_not_vec 1 #define TCG_TARGET_HAS_neg_vec 0 #define TCG_TARGET_HAS_abs_vec 0 diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c index 6cb8c8f0eb..dedf0de04d 100644 --- a/tcg/ppc/tcg-target.inc.c +++ b/tcg/ppc/tcg-target.inc.c @@ -67,6 +67,7 @@ static tcg_insn_unit *tb_ret_addr; bool have_isa_altivec; bool have_isa_2_06; bool have_isa_2_06_vsx; +bool have_isa_2_07_vsx; bool have_isa_3_00; #define HAVE_ISA_2_06 have_isa_2_06 @@ -473,10 +474,12 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type, #define LVEWX XO31(71) #define LXSDX XO31(588) /* v2.06 */ #define LXVDSX XO31(332) /* v2.06 */ +#define LXSIWZX XO31(12) /* v2.07 */ #define STVX XO31(231) #define STVEWX XO31(199) #define STXSDX XO31(716) /* v2.06 */ +#define STXSIWX XO31(140) /* v2.07 */ #define VADDSBS VX4(768) #define VADDUBS VX4(512) @@ -487,6 +490,7 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type, #define VADDSWS VX4(896) #define VADDUWS VX4(640) #define VADDUWM VX4(128) +#define VADDUDM VX4(192) /* v2.07 */ #define VSUBSBS VX4(1792) #define VSUBUBS VX4(1536) @@ -497,47 +501,62 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type, #define VSUBSWS VX4(1920) #define VSUBUWS VX4(1664) #define VSUBUWM VX4(1152) +#define VSUBUDM VX4(1216) /* v2.07 */ #define VMAXSB VX4(258) #define VMAXSH VX4(322) #define VMAXSW VX4(386) +#define VMAXSD VX4(450) /* v2.07 */ #define VMAXUB VX4(2) #define VMAXUH VX4(66) #define VMAXUW VX4(130) +#define VMAXUD VX4(194) /* v2.07 */ #define VMINSB VX4(770) #define VMINSH VX4(834) #define VMINSW VX4(898) +#define VMINSD VX4(962) /* v2.07 */ #define VMINUB VX4(514) #define VMINUH VX4(578) #define VMINUW VX4(642) +#define VMINUD VX4(706) /* v2.07 */ #define VCMPEQUB VX4(6) #define VCMPEQUH VX4(70) #define VCMPEQUW VX4(134) +#define VCMPEQUD VX4(199) /* v2.07 */ #define VCMPGTSB VX4(774) #define VCMPGTSH VX4(838) #define VCMPGTSW VX4(902) +#define VCMPGTSD VX4(967) /* v2.07 */ #define VCMPGTUB VX4(518) #define VCMPGTUH VX4(582) #define VCMPGTUW VX4(646) +#define VCMPGTUD VX4(711) /* v2.07 */ #define VSLB VX4(260) #define VSLH VX4(324) #define VSLW VX4(388) +#define VSLD VX4(1476) /* v2.07 */ #define VSRB VX4(516) #define VSRH VX4(580) #define VSRW VX4(644) +#define VSRD VX4(1732) /* v2.07 */ #define VSRAB VX4(772) #define VSRAH VX4(836) #define VSRAW VX4(900) +#define VSRAD VX4(964) /* v2.07 */ #define VRLB VX4(4) #define VRLH VX4(68) #define VRLW VX4(132) +#define VRLD VX4(196) /* v2.07 */ #define VMULEUB VX4(520) #define VMULEUH VX4(584) +#define VMULEUW VX4(648) /* v2.07 */ #define VMULOUB VX4(8) #define VMULOUH VX4(72) +#define VMULOUW VX4(136) /* v2.07 */ +#define VMULUWM VX4(137) /* v2.07 */ #define VMSUMUHM VX4(38) #define VMRGHB VX4(12) @@ -555,6 +574,9 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type, #define VNOR VX4(1284) #define VOR VX4(1156) #define VXOR VX4(1220) +#define VEQV VX4(1668) /* v2.07 */ +#define VNAND VX4(1412) /* v2.07 */ +#define VORC VX4(1348) /* v2.07 */ #define VSPLTB VX4(524) #define VSPLTH VX4(588) @@ -568,6 +590,11 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type, #define XXPERMDI (OPCD(60) | (10 << 3)) /* v2.06 */ #define XXSEL (OPCD(60) | (3 << 4)) /* v2.06 */ +#define MFVSRD XO31(51) /* v2.07 */ +#define MFVSRWZ XO31(115) /* v2.07 */ +#define MTVSRD XO31(179) /* v2.07 */ +#define MTVSRWZ XO31(179) /* v2.07 */ + #define RT(r) ((r)<<21) #define RS(r) ((r)<<21) #define RA(r) ((r)<<16) @@ -700,7 +727,15 @@ static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) if (ret < 32 && arg < 32) { tcg_out32(s, OR | SAB(arg, ret, arg)); break; - } else if (ret < 32 || arg < 32) { + } else if (ret < 32 && have_isa_2_07_vsx) { + tcg_out32(s, (type == TCG_TYPE_I32 ? MFVSRWZ : MFVSRD) + | VRT(arg) | RA(ret) | 1); + break; + } else if (arg < 32 && have_isa_2_07_vsx) { + tcg_out32(s, (type == TCG_TYPE_I32 ? MTVSRWZ : MTVSRD) + | VRT(ret) | RA(arg) | 1); + break; + } else { /* Altivec does not support vector/integer moves. */ return false; } @@ -1140,6 +1175,10 @@ static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, tcg_out_mem_long(s, LWZ, LWZX, ret, base, offset); break; } + if (have_isa_2_07_vsx) { + tcg_out_mem_long(s, 0, LXSIWZX | 1, ret & 31, base, offset); + break; + } assert((offset & 3) == 0); tcg_out_mem_long(s, 0, LVEWX, ret & 31, base, offset); shift = (offset - 4) & 0xc; @@ -1186,6 +1225,10 @@ static void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, tcg_out_mem_long(s, STW, STWX, arg, base, offset); break; } + if (have_isa_2_07_vsx) { + tcg_out_mem_long(s, 0, STXSIWX | 1, arg & 31, base, offset); + break; + } assert((offset & 3) == 0); shift = (offset - 4) & 0xc; if (shift) { @@ -2921,26 +2964,37 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece) case INDEX_op_andc_vec: case INDEX_op_not_vec: return 1; + case INDEX_op_orc_vec: + return have_isa_2_07_vsx; case INDEX_op_add_vec: case INDEX_op_sub_vec: case INDEX_op_smax_vec: case INDEX_op_smin_vec: case INDEX_op_umax_vec: case INDEX_op_umin_vec: + case INDEX_op_shlv_vec: + case INDEX_op_shrv_vec: + case INDEX_op_sarv_vec: + return vece <= MO_32 || have_isa_2_07_vsx; case INDEX_op_ssadd_vec: case INDEX_op_sssub_vec: case INDEX_op_usadd_vec: case INDEX_op_ussub_vec: - case INDEX_op_shlv_vec: - case INDEX_op_shrv_vec: - case INDEX_op_sarv_vec: return vece <= MO_32; case INDEX_op_cmp_vec: - case INDEX_op_mul_vec: case INDEX_op_shli_vec: case INDEX_op_shri_vec: case INDEX_op_sari_vec: - return vece <= MO_32 ? -1 : 0; + return vece <= MO_32 || have_isa_2_07_vsx ? -1 : 0; + case INDEX_op_mul_vec: + switch (vece) { + case MO_8: + case MO_16: + return -1; + case MO_32: + return have_isa_2_07_vsx ? 1 : -1; + } + return 0; case INDEX_op_bitsel_vec: return have_isa_2_06_vsx; default: @@ -3045,28 +3099,28 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, const int *const_args) { static const uint32_t - add_op[4] = { VADDUBM, VADDUHM, VADDUWM, 0 }, - sub_op[4] = { VSUBUBM, VSUBUHM, VSUBUWM, 0 }, - eq_op[4] = { VCMPEQUB, VCMPEQUH, VCMPEQUW, 0 }, - gts_op[4] = { VCMPGTSB, VCMPGTSH, VCMPGTSW, 0 }, - gtu_op[4] = { VCMPGTUB, VCMPGTUH, VCMPGTUW, 0 }, + add_op[4] = { VADDUBM, VADDUHM, VADDUWM, VADDUDM }, + sub_op[4] = { VSUBUBM, VSUBUHM, VSUBUWM, VSUBUDM }, + eq_op[4] = { VCMPEQUB, VCMPEQUH, VCMPEQUW, VCMPEQUD }, + gts_op[4] = { VCMPGTSB, VCMPGTSH, VCMPGTSW, VCMPGTSD }, + gtu_op[4] = { VCMPGTUB, VCMPGTUH, VCMPGTUW, VCMPGTUD }, ssadd_op[4] = { VADDSBS, VADDSHS, VADDSWS, 0 }, usadd_op[4] = { VADDUBS, VADDUHS, VADDUWS, 0 }, sssub_op[4] = { VSUBSBS, VSUBSHS, VSUBSWS, 0 }, ussub_op[4] = { VSUBUBS, VSUBUHS, VSUBUWS, 0 }, - umin_op[4] = { VMINUB, VMINUH, VMINUW, 0 }, - smin_op[4] = { VMINSB, VMINSH, VMINSW, 0 }, - umax_op[4] = { VMAXUB, VMAXUH, VMAXUW, 0 }, - smax_op[4] = { VMAXSB, VMAXSH, VMAXSW, 0 }, - shlv_op[4] = { VSLB, VSLH, VSLW, 0 }, - shrv_op[4] = { VSRB, VSRH, VSRW, 0 }, - sarv_op[4] = { VSRAB, VSRAH, VSRAW, 0 }, + umin_op[4] = { VMINUB, VMINUH, VMINUW, VMINUD }, + smin_op[4] = { VMINSB, VMINSH, VMINSW, VMINSD }, + umax_op[4] = { VMAXUB, VMAXUH, VMAXUW, VMAXUD }, + smax_op[4] = { VMAXSB, VMAXSH, VMAXSW, VMAXSD }, + shlv_op[4] = { VSLB, VSLH, VSLW, VSLD }, + shrv_op[4] = { VSRB, VSRH, VSRW, VSRD }, + sarv_op[4] = { VSRAB, VSRAH, VSRAW, VSRAD }, mrgh_op[4] = { VMRGHB, VMRGHH, VMRGHW, 0 }, mrgl_op[4] = { VMRGLB, VMRGLH, VMRGLW, 0 }, - muleu_op[4] = { VMULEUB, VMULEUH, 0, 0 }, - mulou_op[4] = { VMULOUB, VMULOUH, 0, 0 }, + muleu_op[4] = { VMULEUB, VMULEUH, VMULEUW, 0 }, + mulou_op[4] = { VMULOUB, VMULOUH, VMULOUW, 0 }, pkum_op[4] = { VPKUHUM, VPKUWUM, 0, 0 }, - rotl_op[4] = { VRLB, VRLH, VRLW, 0 }; + rotl_op[4] = { VRLB, VRLH, VRLW, VRLD }; TCGType type = vecl + TCG_TYPE_V64; TCGArg a0 = args[0], a1 = args[1], a2 = args[2]; @@ -3089,6 +3143,10 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, case INDEX_op_sub_vec: insn = sub_op[vece]; break; + case INDEX_op_mul_vec: + tcg_debug_assert(vece == MO_32 && have_isa_2_07_vsx); + insn = VMULUWM; + break; case INDEX_op_ssadd_vec: insn = ssadd_op[vece]; break; @@ -3138,6 +3196,9 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, insn = VNOR; a2 = a1; break; + case INDEX_op_orc_vec: + insn = VORC; + break; case INDEX_op_cmp_vec: switch (args[3]) { @@ -3218,7 +3279,7 @@ static void expand_vec_cmp(TCGType type, unsigned vece, TCGv_vec v0, { bool need_swap = false, need_inv = false; - tcg_debug_assert(vece <= MO_32); + tcg_debug_assert(vece <= MO_32 || have_isa_2_07_vsx); switch (cond) { case TCG_COND_EQ: @@ -3282,6 +3343,7 @@ static void expand_vec_mul(TCGType type, unsigned vece, TCGv_vec v0, break; case MO_32: + tcg_debug_assert(!have_isa_2_07_vsx); t3 = tcg_temp_new_vec(type); t4 = tcg_temp_new_vec(type); tcg_gen_dupi_vec(MO_8, t4, -16); @@ -3577,6 +3639,11 @@ static void tcg_target_init(TCGContext *s) have_isa_2_06_vsx = true; } } + if (hwcap2 & PPC_FEATURE2_ARCH_2_07) { + if (hwcap & PPC_FEATURE_HAS_VSX) { + have_isa_2_07_vsx = true; + } + } #ifdef PPC_FEATURE2_ARCH_3_00 if (hwcap2 & PPC_FEATURE2_ARCH_3_00) { have_isa_3_00 = true;

[v4,6/7] tcg/ppc: Update vector support to v2.07

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