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target-ppc: add xxspltib instruction

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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>
This commit is contained in:
Nikunj A Dadhania 2016-09-12 12:11:39 +05:30 committed by David Gibson
parent 2391b35773
commit f113283525
3 changed files with 27 additions and 0 deletions
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2
target-ppc/translate.c
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@ -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 */

20
target-ppc/translate/vsx-impl.inc.c
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@ -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;

5
target-ppc/translate/vsx-ops.inc.c
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@ -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) \