2018-11-22 Uros Bizjak <ubiz...@gmail.com>
* config/i386/i386.c (ix86_check_avx_upper_register):
Return true for all SSE registers with mode bitsize > 128.
Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
Committed to mainline SVN.
Uros.
Index: config/i386/i386.c
===================================================================
--- config/i386/i386.c (revision 266382)
+++ config/i386/i386.c (working copy)
@@ -18856,12 +18856,7 @@
static bool
ix86_check_avx_upper_register (const_rtx exp)
{
- if (SUBREG_P (exp))
- exp = SUBREG_REG (exp);
-
- return (REG_P (exp)
- && (VALID_AVX256_REG_OR_OI_MODE (GET_MODE (exp))
- || VALID_AVX512F_REG_OR_XI_MODE (GET_MODE (exp))));
+ return SSE_REG_P (exp) && GET_MODE_BITSIZE (GET_MODE (exp)) > 128;
}
/* Return needed mode for entity in optimize_mode_switching pass. */
