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add optional define to add asm labels for each opcode to ease code inspection and profiling

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Fabrice Bellard 2026-06-03 15:19:05 +02:00
parent 2504823832
commit e2c01dff61
1 changed files with 15 additions and 0 deletions
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15
quickjs.c
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@ -107,6 +107,8 @@
//#define DUMP_PROMISE
//#define DUMP_READ_OBJECT
//#define DUMP_ROPE_REBALANCE
/* add asm labels to each opcode so that it is easier to see the generated code */
//#define OPCODE_ASM_LABEL
/* test the GC by forcing it before each object allocation */
//#define FORCE_GC_AT_MALLOC
@ -17761,6 +17763,11 @@ typedef enum {
#define FUNC_RET_YIELD_STAR 2
#define FUNC_RET_INITIAL_YIELD 3
#ifdef OPCODE_ASM_LABEL
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-label"
#endif
/* argv[] is modified if (flags & JS_CALL_FLAG_COPY_ARGV) = 0. */
static JSValue JS_CallInternal(JSContext *caller_ctx, JSValueConst func_obj,
JSValueConst this_obj, JSValueConst new_target,
@ -17794,7 +17801,11 @@ static JSValue JS_CallInternal(JSContext *caller_ctx, JSValueConst func_obj,
[ OP_COUNT ... 255 ] = &&case_default
};
#define SWITCH(pc) goto *dispatch_table[opcode = *pc++];
#ifdef OPCODE_ASM_LABEL
#define CASE(op) case_ ## op: asm volatile("label_" #op ":\n.globl label_" #op); dummy_case_ ## op
#else
#define CASE(op) case_ ## op
#endif
#define DEFAULT case_default
#define BREAK SWITCH(pc)
#endif
@ -20535,6 +20546,10 @@ static JSValue JS_CallInternal(JSContext *caller_ctx, JSValueConst func_obj,
return ret_val;
}
#ifdef OPCODE_ASM_LABEL
#pragma GCC diagnostic pop
#endif
JSValue JS_Call(JSContext *ctx, JSValueConst func_obj, JSValueConst this_obj,
int argc, JSValueConst *argv)
{