Use TImode instead of the default DImode. Fixes ICE when building libstc++.
Additionally, this change fixes:
c-c++-common/pr111309-1.c -Wc++-compat (test for excess errors)
c-c++-common/pr111309-1.c -Wc++-compat execution test
gcc.dg/pr105094.c (test for excess errors)
gcc.dg/torture/pr116480-1.c -O0 (test for excess errors)
gcc.dg/torture/pr116480-1.c -O1 (test for excess errors)
gcc/ChangeLog:
PR target/120935
* config/mmix/mmix.h (MAX_FIXED_MODE_SIZE): Define.
Signed-off-by: Pietro Monteiro <pie...@sociotechnical.xyz>
---
gcc/config/mmix/mmix.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/gcc/config/mmix/mmix.h b/gcc/config/mmix/mmix.h
index 44669e195b4..e1af549ac49 100644
--- a/gcc/config/mmix/mmix.h
+++ b/gcc/config/mmix/mmix.h
@@ -793,6 +793,10 @@ typedef struct { int regs; int lib; } CUMULATIVE_ARGS;
#define NO_DOLLAR_IN_LABEL
#define NO_DOT_IN_LABEL
+/* An integer expression for the size in bits of the largest integer machine
+ mode that should actually be used. We allow pairs of registers. */
+#define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (TImode)
+
#endif /* GCC_MMIX_H */
/*
* Local variables:
--
2.43.0
