This patch adds a missing constraint in order to be able to print (and
not ICE) vector immediates 17-31 for vector shifts.
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
gcc/ChangeLog:
* config/riscv/riscv.cc (riscv_print_operand): Allow vk operand.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/autovec/binop/shift-immediate.c: New test.
(cherry picked from commit
b6ba0cc9339f2cc81398863ae779daa6c8853ad6)
else if (satisfies_constraint_Wc0 (op))
asm_fprintf (file, "0");
else if (satisfies_constraint_vi (op)
- || satisfies_constraint_vj (op))
+ || satisfies_constraint_vj (op)
+ || satisfies_constraint_vk (op))
asm_fprintf (file, "%wd", INTVAL (elt));
else
output_operand_lossage ("invalid vector constant");
--- /dev/null
+/* { dg-do compile } */
+/* { dg-additional-options "-std=c99 -march=rv32gcv -mabi=ilp32d -O2 --param=riscv-autovec-preference=scalable" } */
+
+#define uint8_t unsigned char
+
+void foo1 (uint8_t *a)
+{
+ uint8_t b = a[0];
+ int val = 0;
+
+ for (int i = 0; i < 4; i++)
+ {
+ a[i] = (val & 1) ? (-val) >> 17 : val;
+ val += b;
+ }
+}