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| author | Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> | 2016-09-12 12:11:39 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-09-23 10:29:40 +1000 |
| commit | f113283525a46c16ee078caeefbc82b26aada86a (patch) | |
| tree | 0e19adfc4038cfe182ef0a11753b84c793e7ca3a /target-ppc | |
| parent | 2391b3577365bfa16009268a16dc7df9a71460c7 (diff) | |
| download | qemu-f113283525a46c16ee078caeefbc82b26aada86a.tar.gz qemu-f113283525a46c16ee078caeefbc82b26aada86a.tar.bz2 qemu-f113283525a46c16ee078caeefbc82b26aada86a.zip | |
target-ppc: add xxspltib instruction
xxspltib: VSX Vector Splat Immediate Byte
Copy the immediate byte in each byte of target VSR
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/translate.c | 2 | ||||
| -rw-r--r-- | target-ppc/translate/vsx-impl.inc.c | 20 | ||||
| -rw-r--r-- | target-ppc/translate/vsx-ops.inc.c | 5 |
3 files changed, 27 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index ecc167482d..133c53133c 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -591,6 +591,8 @@ EXTRACT_HELPER(DM, 8, 2); EXTRACT_HELPER(UIM, 16, 2); EXTRACT_HELPER(SHW, 8, 2); EXTRACT_HELPER(SP, 19, 2); +EXTRACT_HELPER(IMM8, 11, 8); + /*****************************************************************************/ /* PowerPC instructions table */ diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c index 99cabb2f11..67f5621e63 100644 --- a/target-ppc/translate/vsx-impl.inc.c +++ b/target-ppc/translate/vsx-impl.inc.c @@ -647,6 +647,26 @@ static void gen_xxspltw(DisasContext *ctx) tcg_temp_free_i64(b2); } +#define pattern(x) (((x) & 0xff) * (~(uint64_t)0 / 0xff)) + +static void gen_xxspltib(DisasContext *ctx) +{ + unsigned char uim8 = IMM8(ctx->opcode); + if (xS(ctx->opcode) < 32) { + if (unlikely(!ctx->altivec_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VPU); + return; + } + } else { + if (unlikely(!ctx->vsx_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VSXU); + return; + } + } + tcg_gen_movi_i64(cpu_vsrh(xT(ctx->opcode)), pattern(uim8)); + tcg_gen_movi_i64(cpu_vsrl(xT(ctx->opcode)), pattern(uim8)); +} + static void gen_xxsldwi(DisasContext *ctx) { TCGv_i64 xth, xtl; diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c index 8b9da65444..62a62516e6 100644 --- a/target-ppc/translate/vsx-ops.inc.c +++ b/target-ppc/translate/vsx-ops.inc.c @@ -20,6 +20,10 @@ GEN_HANDLER_E(mfvsrd, 0x1F, 0x13, 0x01, 0x0000F800, PPC_NONE, PPC2_VSX207), GEN_HANDLER_E(mtvsrd, 0x1F, 0x13, 0x05, 0x0000F800, PPC_NONE, PPC2_VSX207), #endif +#define GEN_XX1FORM(name, opc2, opc3, fl2) \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0, opc3, 0, PPC_NONE, fl2), \ +GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0, PPC_NONE, fl2) + #define GEN_XX2FORM(name, opc2, opc3, fl2) \ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0, opc3, 0, PPC_NONE, fl2), \ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0, PPC_NONE, fl2) @@ -222,6 +226,7 @@ VSX_LOGICAL(xxlorc, 0x8, 0x15, PPC2_VSX207), GEN_XX3FORM(xxmrghw, 0x08, 0x02, PPC2_VSX), GEN_XX3FORM(xxmrglw, 0x08, 0x06, PPC2_VSX), GEN_XX2FORM(xxspltw, 0x08, 0x0A, PPC2_VSX), +GEN_XX1FORM(xxspltib, 0x08, 0x0B, PPC2_ISA300), GEN_XX3FORM_DM(xxsldwi, 0x08, 0x00), #define GEN_XXSEL_ROW(opc3) \ |