*movstrict<mode>_1 insn pattern allows only general registers,
so we have to reject modes not suitable for general regs in
corresponding movstrict<mode> expander.
2020-03-02 Uroš Bizjak <ubiz...@gmail.com>
PR target/93997
* config/i386/i386.md (movstrict<mode>): Allow only
registers with VALID_INT_MODE_P modes.
testsuite/ChangeLog:
2020-03-02 Uroš Bizjak <ubiz...@gmail.com>
PR target/93997
* gcc.target/i386/pr93997.c: New test.
Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
Uros.
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 6c57500ae8ec..8e29dffafa6e 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -2778,7 +2778,7 @@
{
gcc_assert (SUBREG_P (operands[0]));
if ((TARGET_PARTIAL_REG_STALL && optimize_function_for_speed_p (cfun))
- || GET_MODE_CLASS (GET_MODE (SUBREG_REG (operands[0]))) != MODE_INT)
+ || !VALID_INT_MODE_P (GET_MODE (SUBREG_REG (operands[0]))))
FAIL;
})
