Apply stack_size_32 cache optimization to push imm

gen/x86_table.js

@@ -76,9 +76,9 @@ const encodings = [
     { opcode: 0x66, prefix: 1, },
     { opcode: 0x67, prefix: 1, },
 
-    { opcode: 0x68, os: 1, imm1632: 1, },
+    { opcode: 0x68, custom: 1, os: 1, imm1632: 1, },
     { opcode: 0x69, nonfaulting: 1, os: 1, e: 1, imm1632: 1, mask_flags: af, }, // zf?
-    { opcode: 0x6A, os: 1, imm8s: 1, },
+    { opcode: 0x6A, custom: 1, os: 1, imm8s: 1, },
     { opcode: 0x6B, nonfaulting: 1, os: 1, e: 1, imm8s: 1, mask_flags: af, }, // zf?
 
     { opcode: 0x6C, jump: 1, is_string: 1, skip: 1, },          // ins

src/native/instructions.c

@@ -344,6 +344,9 @@ jit_instr_flags instr_67_jit() {
 void instr16_68(int32_t imm16) { push16(imm16); }
 void instr32_68(int32_t imm32) { push32(imm32); }
 
+void instr16_68_jit(int32_t imm16) { push16_imm_jit(imm16); }
+void instr32_68_jit(int32_t imm32) { push32_imm_jit(imm32); }
+
 void instr16_69_mem(int32_t addr, int32_t r, int32_t imm) { write_reg16(r, imul_reg16(safe_read16(addr) << 16 >> 16, imm << 16 >> 16)); }
 void instr16_69_reg(int32_t r1, int32_t r, int32_t imm) { write_reg16(r, imul_reg16(read_reg16(r1) << 16 >> 16, imm << 16 >> 16)); }
 void instr32_69_mem(int32_t addr, int32_t r, int32_t imm) { write_reg32(r, imul_reg32(safe_read32s(addr), imm)); }
@@ -352,6 +355,9 @@ void instr32_69_reg(int32_t r1, int32_t r, int32_t imm) { write_reg32(r, imul_re
 void instr16_6A(int32_t imm8) { push16(imm8); }
 void instr32_6A(int32_t imm8) { push32(imm8); }
 
+void instr16_6A_jit(int32_t imm8) { push16_imm_jit(imm8); }
+void instr32_6A_jit(int32_t imm8) { push32_imm_jit(imm8); }
+
 void instr16_6B_mem(int32_t addr, int32_t r, int32_t imm) { write_reg16(r, imul_reg16(safe_read16(addr) << 16 >> 16, imm)); }
 void instr16_6B_reg(int32_t r1, int32_t r, int32_t imm) { write_reg16(r, imul_reg16(read_reg16(r1) << 16 >> 16, imm)); }
 void instr32_6B_mem(int32_t addr, int32_t r, int32_t imm) { write_reg32(r, imul_reg32(safe_read32s(addr), imm)); }

src/native/misc_instr.c

@@ -286,6 +286,18 @@ void push16_reg_jit(int32_t reg)
     }
 }
 
+void push16_imm_jit(int32_t imm)
+{
+    if(*stack_size_32)
+    {
+        gen_fn1("push16_ss32", 11, imm);
+    }
+    else
+    {
+        gen_fn1("push16_ss16", 11, imm);
+    }
+}
+
 __attribute__((always_inline))
 void push32_ss16(int32_t imm32)
 {
@@ -327,6 +339,18 @@ void push32_reg_jit(int32_t reg)
     }
 }
 
+void push32_imm_jit(int32_t imm)
+{
+    if(*stack_size_32)
+    {
+        gen_fn1("push32_ss32", 11, imm);
+    }
+    else
+    {
+        gen_fn1("push32_ss16", 11, imm);
+    }
+}
+
 __attribute__((always_inline))
 int32_t pop16_ss16()
 {

src/native/misc_instr.h

@@ -45,10 +45,12 @@ void push16_ss16(int32_t imm16);
 void push16_ss32(int32_t imm16);
 void push16(int32_t imm16);
 void push16_reg_jit(int32_t reg);
+void push16_imm_jit(int32_t imm);
 void push32_ss16(int32_t imm32);
 void push32_ss32(int32_t imm32);
 void push32(int32_t imm32);
 void push32_reg_jit(int32_t reg);
+void push32_imm_jit(int32_t imm);
 int32_t pop16(void);
 void pop16_reg_jit(int32_t reg);
 int32_t pop32_ss16(void);