target-ppc: Introduce DFP Insert Biased Exponent

Add emulation of the PowerPC Decimal Floating Point Insert Biased
Exponent instructions diex[q][.].

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Tom Musta 2014-04-21 15:55:20 -05:00 committed by Alexander Graf
parent e8a4846031
commit 297666eba0
3 changed files with 74 additions and 0 deletions

View file

@ -8400,6 +8400,8 @@ GEN_DFP_T_FPR_I32_Rc(denbcd, rB, SP)
GEN_DFP_T_FPR_I32_Rc(denbcdq, rB, SP)
GEN_DFP_T_B_Rc(dxex)
GEN_DFP_T_B_Rc(dxexq)
GEN_DFP_T_A_B_Rc(diex)
GEN_DFP_T_A_B_Rc(diexq)
/*** SPE extension ***/
/* Register moves */
@ -11371,6 +11373,8 @@ GEN_DFP_S_T_B_Rc(denbcd, 0x02, 0x1a),
GEN_DFP_S_Tp_Bp_Rc(denbcdq, 0x02, 0x1a),
GEN_DFP_T_B_Rc(dxex, 0x02, 0x0b),
GEN_DFP_T_Bp_Rc(dxexq, 0x02, 0x0b),
GEN_DFP_T_A_B_Rc(diex, 0x02, 0x1b),
GEN_DFP_Tp_A_Bp_Rc(diexq, 0x02, 0x1b),
#undef GEN_SPE
#define GEN_SPE(name0, name1, opc2, opc3, inval0, inval1, type) \
GEN_OPCODE_DUAL(name0##_##name1, 0x04, opc2, opc3, inval0, inval1, type, PPC_NONE)