From 86ba37edcb6556b124840f04d180a34ffcc71086 Mon Sep 17 00:00:00 2001 From: Tom Musta Date: Tue, 7 Jan 2014 10:05:49 -0600 Subject: target-ppc: Add ISA2.06 bpermd Instruction This patch adds the Bit Permute Doubleword (bpermd) instruction, which was introduced in Power ISA 2.06 as part of the base 64-bit architecture. Signed-off-by: Tom Musta Reviewed-by: Richard Henderson Signed-off-by: Alexander Graf --- target-ppc/cpu.h | 4 +++- target-ppc/helper.h | 1 + target-ppc/int_helper.c | 20 ++++++++++++++++++++ target-ppc/translate.c | 10 ++++++++++ target-ppc/translate_init.c | 11 +++++++---- 5 files changed, 41 insertions(+), 5 deletions(-) (limited to 'target-ppc') diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h index c7bbbe3eed..74ff4c6a65 100644 --- a/target-ppc/cpu.h +++ b/target-ppc/cpu.h @@ -1877,9 +1877,11 @@ enum { PPC2_ISA205 = 0x0000000000000020ULL, /* VSX additions in ISA 2.07 */ PPC2_VSX207 = 0x0000000000000040ULL, + /* ISA 2.06B bpermd */ + PPC2_PERM_ISA206 = 0x0000000000000080ULL, #define PPC_TCG_INSNS2 (PPC2_BOOKE206 | PPC2_VSX | PPC2_PRCNTL | PPC2_DBRX | \ - PPC2_ISA205 | PPC2_VSX207) + PPC2_ISA205 | PPC2_VSX207 | PPC2_PERM_ISA206) }; /*****************************************************************************/ diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 0976930bbc..a7833dbffe 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -41,6 +41,7 @@ DEF_HELPER_3(sraw, tl, env, tl, tl) #if defined(TARGET_PPC64) DEF_HELPER_FLAGS_1(cntlzd, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(popcntd, TCG_CALL_NO_RWG_SE, tl, tl) +DEF_HELPER_FLAGS_2(bpermd, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_3(srad, tl, env, tl, tl) #endif diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index e50bdd20ec..0e7afb3dea 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -53,6 +53,26 @@ target_ulong helper_cntlzd(target_ulong t) } #endif +#if defined(TARGET_PPC64) + +uint64_t helper_bpermd(uint64_t rs, uint64_t rb) +{ + int i; + uint64_t ra = 0; + + for (i = 0; i < 8; i++) { + int index = (rs >> (i*8)) & 0xFF; + if (index < 64) { + if (rb & (1ull << (63-index))) { + ra |= 1 << i; + } + } + } + return ra; +} + +#endif + target_ulong helper_cmpb(target_ulong rs, target_ulong rb) { target_ulong mask = 0xff; diff --git a/target-ppc/translate.c b/target-ppc/translate.c index d57d6837b7..f00384b00c 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1524,6 +1524,15 @@ static void gen_prtyd(DisasContext *ctx) } #endif +#if defined(TARGET_PPC64) +/* bpermd */ +static void gen_bpermd(DisasContext *ctx) +{ + gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)], + cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); +} +#endif + #if defined(TARGET_PPC64) /* extsw & extsw. */ GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B); @@ -9433,6 +9442,7 @@ GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205), GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD), GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B), GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205), +GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206), #endif GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c index 60ec9cd73d..53fa4249db 100644 --- a/target-ppc/translate_init.c +++ b/target-ppc/translate_init.c @@ -4722,7 +4722,7 @@ POWERPC_FAMILY(e5500)(ObjectClass *oc, void *data) PPC_FLOAT_STFIWX | PPC_WAIT | PPC_MEM_TLBSYNC | PPC_TLBIVAX | PPC_MEM_SYNC | PPC_64B | PPC_POPCNTB | PPC_POPCNTWD; - pcc->insns_flags2 = PPC2_BOOKE206 | PPC2_PRCNTL; + pcc->insns_flags2 = PPC2_BOOKE206 | PPC2_PRCNTL | PPC2_PERM_ISA206; pcc->msr_mask = 0x000000009402FB36ULL; pcc->mmu_model = POWERPC_MMU_BOOKE206; pcc->excp_model = POWERPC_EXCP_BOOKE; @@ -7068,7 +7068,8 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) PPC_64B | PPC_ALTIVEC | PPC_SEGMENT_64B | PPC_SLBI | PPC_POPCNTB | PPC_POPCNTWD; - pcc->insns_flags2 = PPC2_VSX | PPC2_DFP | PPC2_DBRX | PPC2_ISA205; + pcc->insns_flags2 = PPC2_VSX | PPC2_DFP | PPC2_DBRX | PPC2_ISA205 | + PPC2_PERM_ISA206; pcc->msr_mask = 0x800000000284FF37ULL; pcc->mmu_model = POWERPC_MMU_2_06; #if defined(CONFIG_SOFTMMU) @@ -7106,7 +7107,8 @@ POWERPC_FAMILY(POWER7P)(ObjectClass *oc, void *data) PPC_64B | PPC_ALTIVEC | PPC_SEGMENT_64B | PPC_SLBI | PPC_POPCNTB | PPC_POPCNTWD; - pcc->insns_flags2 = PPC2_VSX | PPC2_DFP | PPC2_DBRX | PPC2_ISA205; + pcc->insns_flags2 = PPC2_VSX | PPC2_DFP | PPC2_DBRX | PPC2_ISA205 | + PPC2_PERM_ISA206; pcc->msr_mask = 0x800000000204FF37ULL; pcc->mmu_model = POWERPC_MMU_2_06; #if defined(CONFIG_SOFTMMU) @@ -7144,7 +7146,8 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) PPC_64B | PPC_ALTIVEC | PPC_SEGMENT_64B | PPC_SLBI | PPC_POPCNTB | PPC_POPCNTWD; - pcc->insns_flags2 = PPC2_VSX | PPC2_VSX207 | PPC2_DFP | PPC2_DBRX; + pcc->insns_flags2 = PPC2_VSX | PPC2_VSX207 | PPC2_DFP | PPC2_DBRX | + PPC2_PERM_ISA206; pcc->msr_mask = 0x800000000284FF36ULL; pcc->mmu_model = POWERPC_MMU_2_06; #if defined(CONFIG_SOFTMMU) -- cgit v1.2.3