static void emit_jump(struct sljit_compiler* compiler, OP* op) { struct sljit_jump* jump = sljit_emit_jump(compiler, SLJIT_JUMP); struct needjump* fixup = sljit_alloc_memory(compiler, sizeof *fixup); fixup->jump = jump; fixup->op_to = op; fixup->next = needjumps; needjumps = fixup; }
SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, int type, int src1, sljit_w src1w, int src2, sljit_w src2w) { int flags, condition; check_sljit_emit_fcmp(compiler, type, src1, src1w, src2, src2w); condition = type & 0xff; if (condition <= SLJIT_C_FLOAT_NOT_EQUAL) flags = SLJIT_SET_E; else flags = SLJIT_SET_S; #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG) compiler->skip_checks = 1; #endif sljit_emit_fop1(compiler, SLJIT_FCMP | flags, src1, src1w, src2, src2w); #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG) compiler->skip_checks = 1; #endif return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP)); }
SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, int type, int src1, sljit_w src1w, int src2, sljit_w src2w) { /* Default compare for most architectures. */ int flags, tmp_src, condition; sljit_w tmp_srcw; CHECK_ERROR_PTR(); check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w); condition = type & 0xff; if (SLJIT_UNLIKELY((src1 & SLJIT_IMM) && !(src2 & SLJIT_IMM))) { /* Immediate is prefered as second argument by most architectures. */ switch (condition) { case SLJIT_C_LESS: condition = SLJIT_C_GREATER; break; case SLJIT_C_GREATER_EQUAL: condition = SLJIT_C_LESS_EQUAL; break; case SLJIT_C_GREATER: condition = SLJIT_C_LESS; break; case SLJIT_C_LESS_EQUAL: condition = SLJIT_C_GREATER_EQUAL; break; case SLJIT_C_SIG_LESS: condition = SLJIT_C_SIG_GREATER; break; case SLJIT_C_SIG_GREATER_EQUAL: condition = SLJIT_C_SIG_LESS_EQUAL; break; case SLJIT_C_SIG_GREATER: condition = SLJIT_C_SIG_LESS; break; case SLJIT_C_SIG_LESS_EQUAL: condition = SLJIT_C_SIG_GREATER_EQUAL; break; } type = condition | (type & (SLJIT_INT_OP | SLJIT_REWRITABLE_JUMP)); tmp_src = src1; src1 = src2; src2 = tmp_src; tmp_srcw = src1w; src1w = src2w; src2w = tmp_srcw; } if (condition <= SLJIT_C_NOT_ZERO) flags = SLJIT_SET_E; else if (condition <= SLJIT_C_LESS_EQUAL) flags = SLJIT_SET_U; else flags = SLJIT_SET_S; #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG) compiler->skip_checks = 1; #endif PTR_FAIL_IF(sljit_emit_op2(compiler, SLJIT_SUB | flags | (type & SLJIT_INT_OP), SLJIT_UNUSED, 0, src1, src1w, src2, src2w)); #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG) compiler->skip_checks = 1; #endif return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP)); }