aboutsummaryrefslogtreecommitdiff
path: root/target-alpha/translate.c
diff options
context:
space:
mode:
Diffstat (limited to 'target-alpha/translate.c')
-rw-r--r--target-alpha/translate.c199
1 files changed, 65 insertions, 134 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index e0acba5fa1..9f6084f67c 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -256,7 +256,7 @@ static always_inline void gen_invalid (DisasContext *ctx)
gen_excp(ctx, EXCP_OPCDEC, 0);
}
-static always_inline void gen_load_mem (DisasContext *ctx,
+static always_inline void gen_load_mem_dyngen (DisasContext *ctx,
void (*gen_load_op)(DisasContext *ctx),
int ra, int rb, int32_t disp16,
int clear)
@@ -277,7 +277,31 @@ static always_inline void gen_load_mem (DisasContext *ctx,
}
}
-static always_inline void gen_store_mem (DisasContext *ctx,
+static always_inline void gen_load_mem (DisasContext *ctx,
+ void (*tcg_gen_qemu_load)(TCGv t0, TCGv t1, int flags),
+ int ra, int rb, int32_t disp16,
+ int clear)
+{
+ TCGv addr;
+
+ if (unlikely(ra == 31))
+ return;
+
+ addr = tcg_temp_new(TCG_TYPE_I64);
+ if (rb != 31) {
+ tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
+ if (clear)
+ tcg_gen_andi_i64(addr, addr, ~0x7);
+ } else {
+ if (clear)
+ disp16 &= ~0x7;
+ tcg_gen_movi_i64(addr, disp16);
+ }
+ tcg_gen_qemu_load(cpu_ir[ra], addr, ctx->mem_idx);
+ tcg_temp_free(addr);
+}
+
+static always_inline void gen_store_mem_dyngen (DisasContext *ctx,
void (*gen_store_op)(DisasContext *ctx),
int ra, int rb, int32_t disp16,
int clear)
@@ -295,6 +319,31 @@ static always_inline void gen_store_mem (DisasContext *ctx,
(*gen_store_op)(ctx);
}
+static always_inline void gen_store_mem (DisasContext *ctx,
+ void (*tcg_gen_qemu_store)(TCGv t0, TCGv t1, int flags),
+ int ra, int rb, int32_t disp16,
+ int clear)
+{
+ TCGv addr = tcg_temp_new(TCG_TYPE_I64);
+ if (rb != 31) {
+ tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
+ if (clear)
+ tcg_gen_andi_i64(addr, addr, ~0x7);
+ } else {
+ if (clear)
+ disp16 &= ~0x7;
+ tcg_gen_movi_i64(addr, disp16);
+ }
+ if (ra != 31)
+ tcg_gen_qemu_store(cpu_ir[ra], addr, ctx->mem_idx);
+ else {
+ TCGv zero = tcg_const_i64(0);
+ tcg_gen_qemu_store(zero, addr, ctx->mem_idx);
+ tcg_temp_free(zero);
+ }
+ tcg_temp_free(addr);
+}
+
static always_inline void gen_load_fmem (DisasContext *ctx,
void (*gen_load_fop)(DisasContext *ctx),
int ra, int rb, int32_t disp16)
@@ -655,103 +704,29 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
/* LDBU */
if (!(ctx->amask & AMASK_BWX))
goto invalid_opc;
- if (likely(ra != 31)) {
- TCGv addr = tcg_temp_new(TCG_TYPE_I64);
- if (rb != 31)
- tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
- else
- tcg_gen_movi_i64(addr, disp16);
- tcg_gen_qemu_ld8u(cpu_ir[ra], addr, ctx->mem_idx);
- tcg_temp_free(addr);
- }
+ gen_load_mem(ctx, &tcg_gen_qemu_ld8u, ra, rb, disp16, 0);
break;
case 0x0B:
/* LDQ_U */
- if (likely(ra != 31)) {
- TCGv addr = tcg_temp_new(TCG_TYPE_I64);
- if (rb != 31) {
- tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
- tcg_gen_andi_i64(addr, addr, ~0x7);
- } else
- tcg_gen_movi_i64(addr, disp16 & ~0x7);
- tcg_gen_qemu_ld64(cpu_ir[ra], addr, ctx->mem_idx);
- tcg_temp_free(addr);
- }
+ gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 1);
break;
case 0x0C:
/* LDWU */
if (!(ctx->amask & AMASK_BWX))
goto invalid_opc;
- if (likely(ra != 31)) {
- TCGv addr = tcg_temp_new(TCG_TYPE_I64);
- if (rb != 31)
- tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
- else
- tcg_gen_movi_i64(addr, disp16);
- tcg_gen_qemu_ld16u(cpu_ir[ra], addr, ctx->mem_idx);
- tcg_temp_free(addr);
- }
+ gen_load_mem(ctx, &tcg_gen_qemu_ld16u, ra, rb, disp16, 1);
break;
case 0x0D:
/* STW */
- {
- TCGv addr;
- if (!(ctx->amask & AMASK_BWX))
- goto invalid_opc;
- addr = tcg_temp_new(TCG_TYPE_I64);
- if (rb != 31)
- tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
- else
- tcg_gen_movi_i64(addr, disp16);
- if (ra != 31)
- tcg_gen_qemu_st16(cpu_ir[ra], addr, ctx->mem_idx);
- else {
- TCGv zero = tcg_const_i64(0);
- tcg_gen_qemu_st16(zero, addr, ctx->mem_idx);
- tcg_temp_free(zero);
- }
- tcg_temp_free(addr);
- }
+ gen_store_mem(ctx, &tcg_gen_qemu_st16, ra, rb, disp16, 0);
break;
case 0x0E:
/* STB */
- {
- TCGv addr;
- if (!(ctx->amask & AMASK_BWX))
- goto invalid_opc;
- addr = tcg_temp_new(TCG_TYPE_I64);
- if (rb != 31)
- tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
- else
- tcg_gen_movi_i64(addr, disp16);
- if (ra != 31)
- tcg_gen_qemu_st8(cpu_ir[ra], addr, ctx->mem_idx);
- else {
- TCGv zero = tcg_const_i64(0);
- tcg_gen_qemu_st8(zero, addr, ctx->mem_idx);
- tcg_temp_free(zero);
- }
- tcg_temp_free(addr);
- }
+ gen_store_mem(ctx, &tcg_gen_qemu_st8, ra, rb, disp16, 0);
break;
case 0x0F:
/* STQ_U */
- {
- TCGv addr = tcg_temp_new(TCG_TYPE_I64);
- if (rb != 31) {
- tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
- tcg_gen_andi_i64(addr, addr, ~0x7);
- } else
- tcg_gen_movi_i64(addr, disp16 & ~0x7);
- if (ra != 31)
- tcg_gen_qemu_st64(cpu_ir[ra], addr, ctx->mem_idx);
- else {
- TCGv zero = tcg_const_i64(0);
- tcg_gen_qemu_st64(zero, addr, ctx->mem_idx);
- tcg_temp_free(zero);
- }
- tcg_temp_free(addr);
- }
+ gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 1);
break;
case 0x10:
switch (fn7) {
@@ -2189,79 +2164,35 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
break;
case 0x28:
/* LDL */
- if (likely(ra != 31)) {
- TCGv addr = tcg_temp_new(TCG_TYPE_I64);
- if (rb != 31)
- tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
- else
- tcg_gen_movi_i64(addr, disp16);
- tcg_gen_qemu_ld32s(cpu_ir[ra], addr, ctx->mem_idx);
- tcg_temp_free(addr);
- }
+ gen_load_mem(ctx, &tcg_gen_qemu_ld32s, ra, rb, disp16, 0);
break;
case 0x29:
/* LDQ */
- if (likely(ra != 31)) {
- TCGv addr = tcg_temp_new(TCG_TYPE_I64);
- if (rb != 31)
- tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
- else
- tcg_gen_movi_i64(addr, disp16);
- tcg_gen_qemu_ld64(cpu_ir[ra], addr, ctx->mem_idx);
- tcg_temp_free(addr);
- }
+ gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0);
break;
case 0x2A:
/* LDL_L */
- gen_load_mem(ctx, &gen_ldl_l, ra, rb, disp16, 0);
+ gen_load_mem_dyngen(ctx, &gen_ldl_l, ra, rb, disp16, 0);
break;
case 0x2B:
/* LDQ_L */
- gen_load_mem(ctx, &gen_ldq_l, ra, rb, disp16, 0);
+ gen_load_mem_dyngen(ctx, &gen_ldq_l, ra, rb, disp16, 0);
break;
case 0x2C:
/* STL */
- {
- TCGv addr = tcg_temp_new(TCG_TYPE_I64);
- if (rb != 31)
- tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
- else
- tcg_gen_movi_i64(addr, disp16);
- if (ra != 31)
- tcg_gen_qemu_st32(cpu_ir[ra], addr, ctx->mem_idx);
- else {
- TCGv zero = tcg_const_i64(0);
- tcg_gen_qemu_st32(zero, addr, ctx->mem_idx);
- tcg_temp_free(zero);
- }
- tcg_temp_free(addr);
- }
+ gen_store_mem(ctx, &tcg_gen_qemu_st32, ra, rb, disp16, 0);
break;
case 0x2D:
/* STQ */
- {
- TCGv addr = tcg_temp_new(TCG_TYPE_I64);
- if (rb != 31)
- tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
- else
- tcg_gen_movi_i64(addr, disp16);
- if (ra != 31)
- tcg_gen_qemu_st64(cpu_ir[ra], addr, ctx->mem_idx);
- else {
- TCGv zero = tcg_const_i64(0);
- tcg_gen_qemu_st64(zero, addr, ctx->mem_idx);
- tcg_temp_free(zero);
- }
- tcg_temp_free(addr);
- }
+ gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0);
break;
case 0x2E:
/* STL_C */
- gen_store_mem(ctx, &gen_stl_c, ra, rb, disp16, 0);
+ gen_store_mem_dyngen(ctx, &gen_stl_c, ra, rb, disp16, 0);
break;
case 0x2F:
/* STQ_C */
- gen_store_mem(ctx, &gen_stq_c, ra, rb, disp16, 0);
+ gen_store_mem_dyngen(ctx, &gen_stq_c, ra, rb, disp16, 0);
break;
case 0x30:
/* BR */
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-12 06:37:43 +0000