shishantbiswas/c3c
1
1
Fork 0
mirror of https://github.com/c3lang/c3c.git synced 2026-02-27 12:01:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

Adding $$reverse. Bump to 0.3.45

Browse Source
This commit is contained in:
Christoffer Lerno
2022-09-16 14:09:37 +02:00
committed by Christoffer Lerno
parent 4d27150952
commit c8166f6fdb
7 changed files with 67 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
src/compiler/llvm_codegen_expr.c
View File

@@ -4345,6 +4345,7 @@ unsigned llvm_get_intrinsic(BuiltinFunction func)
case BUILTIN_STACKTRACE:
case BUILTIN_ABS:
case BUILTIN_SHUFFLEVECTOR:
case BUILTIN_REVERSE:
UNREACHABLE
case BUILTIN_SYSCLOCK:
return intrinsic_id.readcyclecounter;
@@ -4382,7 +4383,7 @@ unsigned llvm_get_intrinsic(BuiltinFunction func)
return intrinsic_id.ctlz;
case BUILTIN_CTTZ:
return intrinsic_id.cttz;
case BUILTIN_CTPOP:
case BUILTIN_POPCOUNT:
return intrinsic_id.ctpop;
case BUILTIN_LOG2:
return intrinsic_id.log2;
@@ -4561,6 +4562,26 @@ INLINE void llvm_emit_shufflevector(GenContext *c, BEValue *result_value, Expr *
return;
}
INLINE void llvm_emit_reverse(GenContext *c, BEValue *result_value, Expr *expr)
{
Expr **args = expr->call_expr.arguments;
llvm_emit_expr(c, result_value, args[0]);
llvm_value_rvalue(c, result_value);
Type *rtype = result_value->type;
LLVMValueRef arg1 = result_value->value;
LLVMValueRef arg2 = LLVMGetPoison(LLVMTypeOf(arg1));
LLVMValueRef buff[128];
unsigned elements = rtype->array.len;
LLVMValueRef *mask_element = elements > 128 ? MALLOC(sizeof(LLVMValueRef)) : buff;
LLVMTypeRef mask_element_type = llvm_get_type(c, type_int);
for (unsigned i = 0; i < elements; i++)
{
mask_element[i] = LLVMConstInt(mask_element_type, elements - i - 1, false);
}
LLVMValueRef mask = LLVMConstVector(mask_element, elements);
llvm_value_set(result_value, LLVMBuildShuffleVector(c->builder, arg1, arg2, mask, "reverse"), rtype);
}
void llvm_emit_builtin_call(GenContext *c, BEValue *result_value, Expr *expr)
{
BuiltinFunction func = exprptr(expr->call_expr.function)->builtin_expr.builtin;
@@ -4578,6 +4599,11 @@ void llvm_emit_builtin_call(GenContext *c, BEValue *result_value, Expr *expr)
llvm_emit_shufflevector(c, result_value, expr);
return;
}
if (func == BUILTIN_REVERSE)
{
llvm_emit_reverse(c, result_value, expr);
return;
}
if (func == BUILTIN_STACKTRACE)
{
if (!c->debug.enable_stacktrace)