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* [gcc r12-979] x86: Remove MAX_BITSIZE_MODE_ANY_INT
@ 2021-05-21 15:12 H.J. Lu
0 siblings, 0 replies; only message in thread
From: H.J. Lu @ 2021-05-21 15:12 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:782e57f2c0900f3c3bbaec4b367568b6d05236b8
commit r12-979-g782e57f2c0900f3c3bbaec4b367568b6d05236b8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri May 21 05:52:11 2021 -0700
x86: Remove MAX_BITSIZE_MODE_ANY_INT
It is only defined for i386 and everyone uses the default:
#define MAX_BITSIZE_MODE_ANY_INT (64*BITS_PER_UNIT)
Whatever problems we had before, they have been fixed now.
* config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
Diff:
---
gcc/config/i386/i386-modes.def | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)
diff --git a/gcc/config/i386/i386-modes.def b/gcc/config/i386/i386-modes.def
index dbddfd8e48f..4e7014be034 100644
--- a/gcc/config/i386/i386-modes.def
+++ b/gcc/config/i386/i386-modes.def
@@ -107,19 +107,10 @@ INT_MODE (XI, 64);
PARTIAL_INT_MODE (HI, 16, P2QI);
PARTIAL_INT_MODE (SI, 32, P2HI);
-/* Mode used for signed overflow checking of TImode. As
- MAX_BITSIZE_MODE_ANY_INT is only 160, wide-int.h reserves only that
- rounded up to multiple of HOST_BITS_PER_WIDE_INT bits in wide_int etc.,
- so OImode is too large. For the overflow checking we actually need
- just 1 or 2 bits beyond TImode precision. Use 160 bits to have
- a multiple of 32. */
+/* Mode used for signed overflow checking of TImode. For the overflow
+ checking we actually need just 1 or 2 bits beyond TImode precision.
+ Use 160 bits to have a multiple of 32. */
PARTIAL_INT_MODE (OI, 160, POI);
-/* Keep the OI and XI modes from confusing the compiler into thinking
- that these modes could actually be used for computation. They are
- only holders for vectors during data movement. Include POImode precision
- though. */
-#define MAX_BITSIZE_MODE_ANY_INT (160)
-
/* The symbol Pmode stands for one of the above machine modes (usually SImode).
The tm.h file specifies which one. It is not a distinct mode. */
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