diff options
author | Richard Henderson <rth@twiddle.net> | 2013-09-03 17:05:31 -0700 |
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committer | Richard Henderson <rth@twiddle.net> | 2013-10-12 16:19:20 -0700 |
commit | f1a16dcdd5d52aa92563c8798d1b3e304c1245f9 (patch) | |
tree | 47238dd366778d89fef6b3422da09e9ceba5e0b6 /tcg/ppc | |
parent | 091d5677713d5e8e48ad670655d6bf1bac0b064d (diff) | |
download | qemu-f1a16dcdd5d52aa92563c8798d1b3e304c1245f9.zip qemu-f1a16dcdd5d52aa92563c8798d1b3e304c1245f9.tar.gz qemu-f1a16dcdd5d52aa92563c8798d1b3e304c1245f9.tar.bz2 |
tcg-ppc: Use TCGMemOp within qemu_ldst routines
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg/ppc')
-rw-r--r-- | tcg/ppc/tcg-target.c | 104 |
1 files changed, 48 insertions, 56 deletions
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c index 68778c2..c1b0908 100644 --- a/tcg/ppc/tcg-target.c +++ b/tcg/ppc/tcg-target.c @@ -525,7 +525,7 @@ static void tcg_out_call (TCGContext *s, tcg_target_long arg, int const_arg, static void add_qemu_ldst_label (TCGContext *s, int is_ld, - int opc, + TCGMemOp opc, int data_reg, int data_reg2, int addrlo_reg, @@ -575,7 +575,7 @@ static void *st_trampolines[4]; Clobbers R1 and R2. */ static void tcg_out_tlb_check(TCGContext *s, TCGReg r0, TCGReg r1, TCGReg r2, - TCGReg addrlo, TCGReg addrhi, int s_bits, + TCGReg addrlo, TCGReg addrhi, TCGMemOp s_bits, int mem_index, int is_load, uint8_t **label_ptr) { int cmp_off = @@ -647,10 +647,11 @@ static void tcg_out_tlb_check(TCGContext *s, TCGReg r0, TCGReg r1, TCGReg r2, } #endif -static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc) +static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, TCGMemOp opc) { TCGReg addrlo, datalo, datahi, rbase; - int bswap; + TCGMemOp bswap = opc & MO_BSWAP; + TCGMemOp s_bits = opc & MO_SIZE; #ifdef CONFIG_SOFTMMU int mem_index; TCGReg addrhi; @@ -658,7 +659,7 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc) #endif datalo = *args++; - datahi = (opc == 3 ? *args++ : 0); + datahi = (s_bits == MO_64 ? *args++ : 0); addrlo = *args++; #ifdef CONFIG_SOFTMMU @@ -666,31 +667,25 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc) mem_index = *args; tcg_out_tlb_check(s, TCG_REG_R3, TCG_REG_R4, TCG_REG_R0, addrlo, - addrhi, opc & 3, mem_index, 0, &label_ptr); + addrhi, s_bits, mem_index, 0, &label_ptr); rbase = TCG_REG_R3; #else /* !CONFIG_SOFTMMU */ rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0; #endif -#ifdef TARGET_WORDS_BIGENDIAN - bswap = 0; -#else - bswap = 1; -#endif - - switch (opc) { + switch (opc & MO_SSIZE) { default: - case 0: + case MO_UB: tcg_out32(s, LBZX | TAB(datalo, rbase, addrlo)); break; - case 0|4: + case MO_SB: tcg_out32(s, LBZX | TAB(datalo, rbase, addrlo)); tcg_out32(s, EXTSB | RA(datalo) | RS(datalo)); break; - case 1: + case MO_UW: tcg_out32(s, (bswap ? LHBRX : LHZX) | TAB(datalo, rbase, addrlo)); break; - case 1|4: + case MO_SW: if (bswap) { tcg_out32(s, LHBRX | TAB(datalo, rbase, addrlo)); tcg_out32(s, EXTSH | RA(datalo) | RS(datalo)); @@ -698,10 +693,10 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc) tcg_out32(s, LHAX | TAB(datalo, rbase, addrlo)); } break; - case 2: + case MO_UL: tcg_out32(s, (bswap ? LWBRX : LWZX) | TAB(datalo, rbase, addrlo)); break; - case 3: + case MO_Q: if (bswap) { tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4); tcg_out32(s, LWBRX | TAB(datalo, rbase, addrlo)); @@ -725,10 +720,11 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc) #endif } -static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc) +static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, TCGMemOp opc) { TCGReg addrlo, datalo, datahi, rbase; - int bswap; + TCGMemOp bswap = opc & MO_BSWAP; + TCGMemOp s_bits = opc & MO_SIZE; #ifdef CONFIG_SOFTMMU int mem_index; TCGReg addrhi; @@ -736,7 +732,7 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc) #endif datalo = *args++; - datahi = (opc == 3 ? *args++ : 0); + datahi = (s_bits == MO_64 ? *args++ : 0); addrlo = *args++; #ifdef CONFIG_SOFTMMU @@ -744,28 +740,24 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc) mem_index = *args; tcg_out_tlb_check(s, TCG_REG_R3, TCG_REG_R4, TCG_REG_R0, addrlo, - addrhi, opc & 3, mem_index, 0, &label_ptr); + addrhi, s_bits, mem_index, 0, &label_ptr); rbase = TCG_REG_R3; #else /* !CONFIG_SOFTMMU */ rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0; #endif -#ifdef TARGET_WORDS_BIGENDIAN - bswap = 0; -#else - bswap = 1; -#endif - switch (opc) { - case 0: + switch (s_bits) { + case MO_8: tcg_out32(s, STBX | SAB(datalo, rbase, addrlo)); break; - case 1: + case MO_16: tcg_out32(s, (bswap ? STHBRX : STHX) | SAB(datalo, rbase, addrlo)); break; - case 2: + case MO_32: + default: tcg_out32(s, (bswap ? STWBRX : STWX) | SAB(datalo, rbase, addrlo)); break; - case 3: + case MO_64: if (bswap) { tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4); tcg_out32(s, STWBRX | SAB(datalo, rbase, addrlo)); @@ -791,6 +783,7 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc) static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l) { TCGReg ir, datalo, datahi; + TCGMemOp opc = l->opc & MO_SSIZE; reloc_pc14 (l->label_ptr[0], (uintptr_t)s->code_ptr); @@ -806,22 +799,20 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l) } tcg_out_movi(s, TCG_TYPE_I32, ir++, l->mem_index); tcg_out32(s, MFSPR | RT(ir++) | LR); - tcg_out_b(s, LK, (uintptr_t)ld_trampolines[l->opc & 3]); + tcg_out_b(s, LK, (uintptr_t)ld_trampolines[opc & MO_SIZE]); datalo = l->datalo_reg; - switch (l->opc) { - case 0|4: + switch (opc) { + case MO_SB: tcg_out32(s, EXTSB | RA(datalo) | RS(TCG_REG_R3)); break; - case 1|4: + case MO_SW: tcg_out32(s, EXTSH | RA(datalo) | RS(TCG_REG_R3)); break; - case 0: - case 1: - case 2: + default: tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R3); break; - case 3: + case MO_Q: datahi = l->datahi_reg; if (datalo != TCG_REG_R3) { tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R4); @@ -842,6 +833,7 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l) static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l) { TCGReg ir, datalo; + TCGMemOp s_bits = l->opc & MO_SIZE; reloc_pc14 (l->label_ptr[0], (tcg_target_long) s->code_ptr); @@ -857,19 +849,19 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l) } datalo = l->datalo_reg; - switch (l->opc) { - case 0: + switch (s_bits) { + case MO_8: tcg_out32(s, (RLWINM | RA (ir) | RS (datalo) | SH (0) | MB (24) | ME (31))); break; - case 1: + case MO_16: tcg_out32(s, (RLWINM | RA (ir) | RS (datalo) | SH (0) | MB (16) | ME (31))); break; - case 2: + default: tcg_out_mov(s, TCG_TYPE_I32, ir, datalo); break; - case 3: + case MO_64: #ifdef TCG_TARGET_CALL_ALIGN_ARGS ir |= 1; #endif @@ -1707,34 +1699,34 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, break; case INDEX_op_qemu_ld8u: - tcg_out_qemu_ld(s, args, 0); + tcg_out_qemu_ld(s, args, MO_UB); break; case INDEX_op_qemu_ld8s: - tcg_out_qemu_ld(s, args, 0 | 4); + tcg_out_qemu_ld(s, args, MO_SB); break; case INDEX_op_qemu_ld16u: - tcg_out_qemu_ld(s, args, 1); + tcg_out_qemu_ld(s, args, MO_TEUW); break; case INDEX_op_qemu_ld16s: - tcg_out_qemu_ld(s, args, 1 | 4); + tcg_out_qemu_ld(s, args, MO_TESW); break; case INDEX_op_qemu_ld32: - tcg_out_qemu_ld(s, args, 2); + tcg_out_qemu_ld(s, args, MO_TEUL); break; case INDEX_op_qemu_ld64: - tcg_out_qemu_ld(s, args, 3); + tcg_out_qemu_ld(s, args, MO_TEQ); break; case INDEX_op_qemu_st8: - tcg_out_qemu_st(s, args, 0); + tcg_out_qemu_st(s, args, MO_UB); break; case INDEX_op_qemu_st16: - tcg_out_qemu_st(s, args, 1); + tcg_out_qemu_st(s, args, MO_TEUW); break; case INDEX_op_qemu_st32: - tcg_out_qemu_st(s, args, 2); + tcg_out_qemu_st(s, args, MO_TEUL); break; case INDEX_op_qemu_st64: - tcg_out_qemu_st(s, args, 3); + tcg_out_qemu_st(s, args, MO_TEQ); break; case INDEX_op_ext8s_i32: |