Correct typos in comments and messsages.

include/libfirm/tv.h

@@ -626,7 +626,7 @@ FIRM_API char *get_tarval_bitpattern(const ir_tarval *tv);
 /**
  * Returns the bitpattern of the bytes_ofs byte.
  *
- * This function succeeds even if the mode of the tarval uses lesser bits
+ * This function succeeds even if the mode of the tarval uses fewer bits
  * than requested, in that case the bitpattern is filled with zero bits.
  *
  * To query a 32bit value the following code can be used:

ir/be/ia32/ia32_architecture.c

@@ -475,7 +475,7 @@ int ia32_evaluate_insn(insn_kind kind, const ir_mode *mode, ir_tarval *tv)
 		/* lea is only supported for 32 bit */
 		if (get_mode_size_bits(mode) <= 32)
 			return arch_costs->lea_cost;
-		/* in 64bit mode, the Lea cost are at wort 2 shifts and one add */
+		/* in 64bit mode, the Lea cost are at worst 2 shifts and one add */
 		return 2 * arch_costs->add_cost + 2 * (2 * arch_costs->const_shf_cost);
 	case ADD:
 	case SUB:

ir/be/ia32/ia32_transform.c

@@ -610,7 +610,7 @@ static void set_am_attributes(ir_node *node, const ia32_address_mode_t *am)
 
 /**
  * Check, if a given node is a Down-Conv, i.e. a integer Conv
- * from a mode with a mode with more bits to a mode with lesser bits.
+ * from a mode with a mode with more bits to a mode with fewer bits.
  * Moreover, we return only true if the node has not more than 1 user.
  *
  * @param node   the node

ir/be/ia32/ia32_x87.c

@@ -1733,7 +1733,7 @@ static void update_liveness_walker(ir_node *block, void *data)
  */
 void ia32_x87_simulate_graph(ir_graph *irg)
 {
-	/* TODO improve code quality (less executed fxch) by using execfreqs */
+	/* TODO improve code quality (fewer executed fxch) by using execfreqs */
 
 	ir_node       *block, *start_block;
 	blk_state     *bl_state;

ir/be/sparc/sparc_transform.c

@@ -195,7 +195,7 @@ static bool needs_extension(ir_node *op)
 
 /**
  * Check, if a given node is a Down-Conv, i.e. a integer Conv
- * from a mode with a mode with more bits to a mode with lesser bits.
+ * from a mode with a mode with more bits to a mode with fewer bits.
  * Moreover, we return only true if the node has not more than 1 user.
  *
  * @param node   the node

ir/ir/irverify.c

@@ -458,9 +458,7 @@ static bool verify_switch_table(const ir_node *n)
 				 e);
 			fine = false;
 		} else if (tarval_cmp(entry->min, entry->max) == ir_relation_greater) {
-			warn(n,
-			     "switch table entry %zu min is not lesser or equal than max",
-			     e);
+			warn(n, "switch table entry %zu min is not less or equal than max", e);
 			fine = false;
 		}
 		if (entry->pn < 0 || entry->pn >= (long)n_outs) {
@@ -582,7 +580,7 @@ static int verify_node_Call(const ir_node *n)
 	}
 
 	if ((size_t)get_Call_n_params(n) < get_method_n_params(mt)) {
-		warn(n, "call has less arguments than method type");
+		warn(n, "call has fewer arguments than method type");
 		return false;
 	} else if ((size_t)get_Call_n_params(n) > get_method_n_params(mt) &&
 	    get_method_variadicity(mt) != variadicity_variadic) {
@@ -1059,8 +1057,7 @@ static int check_block_cfg(const ir_node *block, check_cfg_env_t *env)
 {
 	bool fine = true;
 	if (!ir_nodeset_contains(&env->reachable_blocks, block)) {
-		warn(block,
-		     "not reachable by blockwalker (endless loop with no kept block?)");
+		warn(block, "not reachable by blockwalker (endless loop with no kept block?)");
 		fine = false;
 	}
 

ir/tr/entity.c

@@ -877,7 +877,7 @@ void set_entity_additional_properties(ir_entity *ent,
                                       mtp_additional_properties property_mask)
 {
 	assert(entity_has_additional_properties(ent));
-	/* you mustn't set less properties than the entities type */
+	/* you mustn't set fewer properties than the entities type */
 	assert((get_method_additional_properties(get_entity_type(ent)) & ~property_mask) == 0);
 
 	/* do not allow to set the mtp_property_inherited flag or

ir/tv/strcalc.c

@@ -569,7 +569,7 @@ unsigned char sc_sub_bits(const sc_word *value, unsigned len, unsigned byte_ofs)
 	if (len > (nibble_ofs + 1) * SC_BITS)
 		res |= value[nibble_ofs + 1] << SC_BITS;
 
-	/* kick bits outsize */
+	/* kick bits outside */
 	if (len - 8 * byte_ofs < 8) {
 		res &= (1 << (len - 8 * byte_ofs)) - 1;
 	}