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riscv-gcc-1
Commit ce889f00 by Richard Stallman
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(build_binary_op): Improve shift warning messages. 

From-SVN: r1595
parent 74bd77a8
Showing with 3 additions and 3 deletions
gcc/c-typeck.c
...@@ -2356,7 +2356,7 @@ build_binary_op (code, orig_op0, orig_op1, convert_p) ...@@ -2356,7 +2356,7 @@ build_binary_op (code, orig_op0, orig_op1, convert_p)
else if (TREE_INT_CST_LOW (op1) < 0) else if (TREE_INT_CST_LOW (op1) < 0)
warning ("shift count is negative"); warning ("shift count is negative");
if (TREE_INT_CST_LOW (op1) >= TYPE_PRECISION (type0)) if (TREE_INT_CST_LOW (op1) >= TYPE_PRECISION (type0))
warning ("shift count exceeds width of value shifted"); warning ("shift count >= width of type");
} }
/* Use the type of the value to be shifted. /* Use the type of the value to be shifted.
This is what most traditional C compilers do. */ This is what most traditional C compilers do. */
...@@ -2381,7 +2381,7 @@ build_binary_op (code, orig_op0, orig_op1, convert_p) ...@@ -2381,7 +2381,7 @@ build_binary_op (code, orig_op0, orig_op1, convert_p)
warning ("shift count is negative"); warning ("shift count is negative");
if (TREE_CODE (op1) == INTEGER_CST if (TREE_CODE (op1) == INTEGER_CST
&& TREE_INT_CST_LOW (op1) >= TYPE_PRECISION (type0)) && TREE_INT_CST_LOW (op1) >= TYPE_PRECISION (type0))
warning ("shift count exceeds width of value shifted"); warning ("shift count >= width of type");
/* Use the type of the value to be shifted. /* Use the type of the value to be shifted.
This is what most traditional C compilers do. */ This is what most traditional C compilers do. */
result_type = type0; result_type = type0;
...@@ -2406,7 +2406,7 @@ build_binary_op (code, orig_op0, orig_op1, convert_p) ...@@ -2406,7 +2406,7 @@ build_binary_op (code, orig_op0, orig_op1, convert_p)
warning ("shift count is negative"); warning ("shift count is negative");
if (TREE_CODE (op1) == INTEGER_CST if (TREE_CODE (op1) == INTEGER_CST
&& TREE_INT_CST_LOW (op1) >= TYPE_PRECISION (type0)) && TREE_INT_CST_LOW (op1) >= TYPE_PRECISION (type0))
warning ("shift count >= width of value shifted"); warning ("shift count >= width of type");
/* Use the type of the value to be shifted. /* Use the type of the value to be shifted.
This is what most traditional C compilers do. */ This is what most traditional C compilers do. */
result_type = type0; result_type = type0;
......
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