diff mbox series

[v4,26/31] target/ppc: Move D/DS/X-form integer stores to decodetree

Message ID 20210512185441.3619828-27-matheus.ferst@eldorado.org.br (mailing list archive)
State New, archived
Headers show
Series Base for adding PowerPC 64-bit instructions | expand

Commit Message

Matheus K. Ferst May 12, 2021, 6:54 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

These are all connected by macros in the legacy decoding.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
---
v4:
- @D{,S} instead of @PLS_D{,S} for non-prefixed stores;
---
 target/ppc/insn32.decode                   | 22 ++++++
 target/ppc/translate.c                     | 85 +---------------------
 target/ppc/translate/fixedpoint-impl.c.inc | 24 ++++++
 3 files changed, 49 insertions(+), 82 deletions(-)
diff mbox series

Patch

diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 860b96d866..8460100177 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -57,6 +57,28 @@  LDU             111010 ..... ..... ..............01     @DS
 LDX             011111 ..... ..... ..... 0000010101 -   @X
 LDUX            011111 ..... ..... ..... 0000110101 -   @X
 
+### Fixed-Point Store Instructions
+
+STB             100110 ..... ..... ................     @D
+STBU            100111 ..... ..... ................     @D
+STBX            011111 ..... ..... ..... 0011010111 -   @X
+STBUX           011111 ..... ..... ..... 0011110111 -   @X
+
+STH             101100 ..... ..... ................     @D
+STHU            101101 ..... ..... ................     @D
+STHX            011111 ..... ..... ..... 0110010111 -   @X
+STHUX           011111 ..... ..... ..... 0110110111 -   @X
+
+STW             100100 ..... ..... ................     @D
+STWU            100101 ..... ..... ................     @D
+STWX            011111 ..... ..... ..... 0010010111 -   @X
+STWUX           011111 ..... ..... ..... 0010110111 -   @X
+
+STD             111110 ..... ..... ..............00     @DS
+STDU            111110 ..... ..... ..............01     @DS
+STDX            011111 ..... ..... ..... 0010010101 -   @X
+STDUX           011111 ..... ..... ..... 0010110101 -   @X
+
 ### Fixed-Point Arithmetic Instructions
 
 ADDI            001110 ..... ..... ................     @D
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 32d217071b..477e3deede 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -3388,7 +3388,9 @@  static void glue(gen_qemu_, stop)(DisasContext *ctx,                    \
     tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op);                    \
 }
 
+#if defined(TARGET_PPC64) || !defined(CONFIG_USER_ONLY)
 GEN_QEMU_STORE_TL(st8,  DEF_MEMOP(MO_UB))
+#endif
 GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
 GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
 
@@ -3521,52 +3523,6 @@  static void gen_lq(DisasContext *ctx)
 #endif
 
 /***                              Integer store                            ***/
-#define GEN_ST(name, stop, opc, type)                                         \
-static void glue(gen_, name)(DisasContext *ctx)                               \
-{                                                                             \
-    TCGv EA;                                                                  \
-    gen_set_access_type(ctx, ACCESS_INT);                                     \
-    EA = tcg_temp_new();                                                      \
-    gen_addr_imm_index(ctx, EA, 0);                                           \
-    gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
-    tcg_temp_free(EA);                                                        \
-}
-
-#define GEN_STU(name, stop, opc, type)                                        \
-static void glue(gen_, stop##u)(DisasContext *ctx)                            \
-{                                                                             \
-    TCGv EA;                                                                  \
-    if (unlikely(rA(ctx->opcode) == 0)) {                                     \
-        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
-        return;                                                               \
-    }                                                                         \
-    gen_set_access_type(ctx, ACCESS_INT);                                     \
-    EA = tcg_temp_new();                                                      \
-    if (type == PPC_64B)                                                      \
-        gen_addr_imm_index(ctx, EA, 0x03);                                    \
-    else                                                                      \
-        gen_addr_imm_index(ctx, EA, 0);                                       \
-    gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
-    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
-    tcg_temp_free(EA);                                                        \
-}
-
-#define GEN_STUX(name, stop, opc2, opc3, type)                                \
-static void glue(gen_, name##ux)(DisasContext *ctx)                           \
-{                                                                             \
-    TCGv EA;                                                                  \
-    if (unlikely(rA(ctx->opcode) == 0)) {                                     \
-        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
-        return;                                                               \
-    }                                                                         \
-    gen_set_access_type(ctx, ACCESS_INT);                                     \
-    EA = tcg_temp_new();                                                      \
-    gen_addr_reg_index(ctx, EA);                                              \
-    gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
-    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
-    tcg_temp_free(EA);                                                        \
-}
-
 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
 static void glue(gen_, name##x)(DisasContext *ctx)                            \
 {                                                                             \
@@ -3584,19 +3540,6 @@  static void glue(gen_, name##x)(DisasContext *ctx)                            \
 #define GEN_STX_HVRM(name, stop, opc2, opc3, type)                            \
     GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
 
-#define GEN_STS(name, stop, op, type)                                         \
-GEN_ST(name, stop, op | 0x20, type);                                          \
-GEN_STU(name, stop, op | 0x21, type);                                         \
-GEN_STUX(name, stop, 0x17, op | 0x01, type);                                  \
-GEN_STX(name, stop, 0x17, op | 0x00, type)
-
-/* stb stbu stbux stbx */
-GEN_STS(stb, st8, 0x06, PPC_INTEGER);
-/* sth sthu sthux sthx */
-GEN_STS(sth, st16, 0x0C, PPC_INTEGER);
-/* stw stwu stwux stwx */
-GEN_STS(stw, st32, 0x04, PPC_INTEGER);
-
 #define GEN_STEPX(name, stop, opc2, opc3)                                     \
 static void glue(gen_, name##epx)(DisasContext *ctx)                          \
 {                                                                             \
@@ -3618,8 +3561,6 @@  GEN_STEPX(std, DEF_MEMOP(MO_Q), 0x1d, 0x04)
 #endif
 
 #if defined(TARGET_PPC64)
-GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B);
-GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B);
 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
 GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
@@ -8255,31 +8196,11 @@  GEN_LDEPX(lw, DEF_MEMOP(MO_UL), 0x1F, 0x00)
 GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
 #endif
 
-#undef GEN_ST
-#undef GEN_STU
-#undef GEN_STUX
 #undef GEN_STX_E
-#undef GEN_STS
-#define GEN_ST(name, stop, opc, type)                                         \
-GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
-#define GEN_STU(name, stop, opc, type)                                        \
-GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type),
-#define GEN_STUX(name, stop, opc2, opc3, type)                                \
-GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
 #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
 GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000000, type, type2),
-#define GEN_STS(name, stop, op, type)                                         \
-GEN_ST(name, stop, op | 0x20, type)                                           \
-GEN_STU(name, stop, op | 0x21, type)                                          \
-GEN_STUX(name, stop, 0x17, op | 0x01, type)                                   \
-GEN_STX(name, stop, 0x17, op | 0x00, type)
-
-GEN_STS(stb, st8, 0x06, PPC_INTEGER)
-GEN_STS(sth, st16, 0x0C, PPC_INTEGER)
-GEN_STS(stw, st32, 0x04, PPC_INTEGER)
+
 #if defined(TARGET_PPC64)
-GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B)
-GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B)
 GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
 GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
 GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc
index 67291e0b75..7fec0a8595 100644
--- a/target/ppc/translate/fixedpoint-impl.c.inc
+++ b/target/ppc/translate/fixedpoint-impl.c.inc
@@ -137,6 +137,30 @@  TRANS64(LDU, do_ldst_D, true, false, MO_Q)
 TRANS64(LDUX, do_ldst_X, true, false, MO_Q)
 TRANS64(PLD, do_ldst_PLS_D, false, false, MO_Q)
 
+/* Store Byte */
+TRANS(STB, do_ldst_D, false, true, MO_UB)
+TRANS(STBX, do_ldst_X, false, true, MO_UB)
+TRANS(STBU, do_ldst_D, true, true, MO_UB)
+TRANS(STBUX, do_ldst_X, true, true, MO_UB)
+
+/* Store Halfword */
+TRANS(STH, do_ldst_D, false, true, MO_UW)
+TRANS(STHX, do_ldst_X, false, true, MO_UW)
+TRANS(STHU, do_ldst_D, true, true, MO_UW)
+TRANS(STHUX, do_ldst_X, true, true, MO_UW)
+
+/* Store Word */
+TRANS(STW, do_ldst_D, false, true, MO_UL)
+TRANS(STWX, do_ldst_X, false, true, MO_UL)
+TRANS(STWU, do_ldst_D, true, true, MO_UL)
+TRANS(STWUX, do_ldst_X, true, true, MO_UL)
+
+/* Store Doubleword */
+TRANS64(STD, do_ldst_D, false, true, MO_Q)
+TRANS64(STDX, do_ldst_X, false, true, MO_Q)
+TRANS64(STDU, do_ldst_D, true, true, MO_Q)
+TRANS64(STDUX, do_ldst_X, true, true, MO_Q)
+
 /*
  * Fixed-Point Arithmetic Instructions
  */