X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=ast.c;h=dbd23f14db04889f3e17a0b977db503aac5904dc;hp=dc90019c71e714dc1d8e38f6bb9fb18ea5bd885f;hb=8d5e7190261d2ed0f214ef175d8451df3dbd4dc8;hpb=b6f08e7fb1bbe347bbc8de38f6e5af924cfd7c6b diff --git a/ast.c b/ast.c index dc90019..dbd23f1 100644 --- a/ast.c +++ b/ast.c @@ -438,6 +438,7 @@ bool ast_value_set_name(ast_value *self, const char *name) ast_binary* ast_binary_new(lex_ctx_t ctx, int op, ast_expression* left, ast_expression* right) { + ast_binary *fold; ast_instantiate(ast_binary, ctx, ast_binary_delete); ast_expression_init((ast_expression*)self, (ast_expression_codegen*)&ast_binary_codegen); @@ -449,6 +450,11 @@ ast_binary* ast_binary_new(lex_ctx_t ctx, int op, ast_propagate_effects(self, left); ast_propagate_effects(self, right); + if (OPTS_OPTIMIZATION(OPTIM_PEEPHOLE) && (fold = (ast_binary*)fold_superfluous(left, right, op))) { + ast_binary_delete(self); + return fold; + } + if (op >= INSTR_EQ_F && op <= INSTR_GT) self->expression.vtype = TYPE_FLOAT; else if (op == INSTR_AND || op == INSTR_OR) { @@ -523,10 +529,8 @@ ast_unary* ast_unary_new(lex_ctx_t ctx, int op, ast_unary *prev = (ast_unary*)((ast_unary*)expr)->operand; /* Handle for double negation */ - if ((((ast_unary*)expr)->op == VINSTR_NEG_V && op == VINSTR_NEG_V) || - (((ast_unary*)expr)->op == VINSTR_NEG_F && op == VINSTR_NEG_F)) { + if (((ast_unary*)expr)->op == op) prev = (ast_unary*)((ast_unary*)expr)->operand; - } if (ast_istype(prev, ast_unary)) { ast_expression_delete((ast_expression*)self); @@ -1179,6 +1183,7 @@ ast_function* ast_function_new(lex_ctx_t ctx, const char *name, ast_value *vtype if (!vtype) { compile_error(ast_ctx(self), "internal error: ast_function_new condition 0"); goto cleanup; + } else if (vtype->hasvalue || vtype->expression.vtype != TYPE_FUNCTION) { } else if (vtype->hasvalue || vtype->expression.vtype != TYPE_FUNCTION) { compile_error(ast_ctx(self), "internal error: ast_function_new condition %i %i type=%i (probably 2 bodies?)", (int)!vtype, @@ -1788,6 +1793,7 @@ bool ast_function_codegen(ast_function *self, ir_builder *ir) ir_value *dummy; ast_expression *ec; ast_expression_codegen *cgen; + size_t i; (void)ir;