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target-ppc: implement lxvll instruction

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lxvll: Load VSX Vector Left-justified with Length

Little/Big-endian Storage:
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+--+--+
|“T”|“h”|“i”|“s”|“ ”|“i”|“s”|“ ”|“a”|“ ”|“T”|“E”|“S”|“T”|FF|FF|
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+--+--+

Loading 14 bytes to vector (8-bit elements) in BE/LE:
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+--+--+
|“T”|“h”|“i”|“s”|“ ”|“i”|“s”|“ ”|“a”|“ ”|“T”|“E”|“S”|“T”|00|00|
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+--+--+

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 2016-12-09 17:47:21 +05:30 committed by David Gibson
parent 6914bc4fb5
commit 176e44e7eb
4 changed files with 4 additions and 0 deletions
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1
target/ppc/helper.h
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@ -314,6 +314,7 @@ DEF_HELPER_3(stvehx, void, env, avr, tl)
DEF_HELPER_3(stvewx, void, env, avr, tl)
#if defined(TARGET_PPC64)
DEF_HELPER_4(lxvl, void, env, tl, tl, tl)
DEF_HELPER_4(lxvll, void, env, tl, tl, tl)
#endif
DEF_HELPER_4(vsumsws, void, env, avr, avr, avr)
DEF_HELPER_4(vsum2sws, void, env, avr, avr, avr)

1
target/ppc/mem_helper.c
View File

@ -315,6 +315,7 @@ void helper_##name(CPUPPCState *env, target_ulong addr, \
}
VSX_LXVL(lxvl, 0)
VSX_LXVL(lxvll, 1)
#undef VSX_LXVL
#undef GET_NB
#endif /* TARGET_PPC64 */

1
target/ppc/translate/vsx-impl.inc.c
View File

@ -267,6 +267,7 @@ static void gen_##name(DisasContext *ctx) \
}
VSX_VECTOR_LOAD_STORE_LENGTH(lxvl)
VSX_VECTOR_LOAD_STORE_LENGTH(lxvll)
#endif
#define VSX_LOAD_SCALAR_DS(name, operation) \

1
target/ppc/translate/vsx-ops.inc.c
View File

@ -12,6 +12,7 @@ GEN_HANDLER_E(lxvb16x, 0x1F, 0x0C, 0x1B, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(lxvx, 0x1F, 0x0C, 0x08, 0x00000040, PPC_NONE, PPC2_ISA300),
#if defined(TARGET_PPC64)
GEN_HANDLER_E(lxvl, 0x1F, 0x0D, 0x08, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(lxvll, 0x1F, 0x0D, 0x09, 0, PPC_NONE, PPC2_ISA300),
#endif
GEN_HANDLER_E(stxsdx, 0x1F, 0xC, 0x16, 0, PPC_NONE, PPC2_VSX),