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target/ppc: remove mfdcrux and mtdcrux 

The only PowerPC implementations with these insns were the 460 and 460F,
which had their definitions removed in [1].

[1] 7ff26aa6c6 ("target/ppc: Remove unused PPC 460 and 460F definitions")

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20220627141104.669152-4-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Matheus Ferst 2022-06-27 11:11:01 -03:00 committed by Daniel Henrique Barboza
parent efb23674d1
commit b63fa8b98b
2 changed files with 2 additions and 22 deletions
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6
target/ppc/cpu.h
View File

@ -2214,8 +2214,6 @@ enum {
PPC_DCR = 0x1000000000000000ULL,
/* DCR extended accesse */
PPC_DCRX = 0x2000000000000000ULL,
/* user-mode DCR access, implemented in PowerPC 460 */
PPC_DCRUX = 0x4000000000000000ULL,
/* popcntw and popcntd instructions */
PPC_POPCNTWD = 0x8000000000000000ULL,
@ -2239,8 +2237,8 @@ enum {
| PPC_405_MAC | PPC_440_SPEC | PPC_BOOKE \
| PPC_MFAPIDI | PPC_TLBIVA | PPC_TLBIVAX \
| PPC_4xx_COMMON | PPC_40x_ICBT | PPC_RFMCI \
| PPC_RFDI | PPC_DCR | PPC_DCRX | PPC_DCRUX \
| PPC_POPCNTWD | PPC_CILDST)
| PPC_RFDI | PPC_DCR | PPC_DCRX | PPC_POPCNTWD \
| PPC_CILDST)
/* extended type values */

18
target/ppc/translate.c
View File

@ -5907,22 +5907,6 @@ static void gen_mtdcrx(DisasContext *ctx)
#endif /* defined(CONFIG_USER_ONLY) */
}
/* mfdcrux (PPC 460) : user-mode access to DCR */
static void gen_mfdcrux(DisasContext *ctx)
{
gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
cpu_gpr[rA(ctx->opcode)]);
/* Note: Rc update flag set leads to undefined state of Rc0 */
}
/* mtdcrux (PPC 460) : user-mode access to DCR */
static void gen_mtdcrux(DisasContext *ctx)
{
gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
cpu_gpr[rS(ctx->opcode)]);
/* Note: Rc update flag set leads to undefined state of Rc0 */
}
/* dccci */
static void gen_dccci(DisasContext *ctx)
{
@ -6958,8 +6942,6 @@ GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR),
GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX),
GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX),
GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX),
GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX),
GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON),
GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON),
GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT),