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* [gcc(refs/users/meissner/heads/work068)] Disable XXSPLTIDP loading up integer constants.
@ 2021-09-14 23:12 Michael Meissner
0 siblings, 0 replies; only message in thread
From: Michael Meissner @ 2021-09-14 23:12 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:26e78602d5944fcf74ca3c602890b1c49ca76196
commit 26e78602d5944fcf74ca3c602890b1c49ca76196
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Tue Sep 14 19:12:30 2021 -0400
Disable XXSPLTIDP loading up integer constants.
2021-09-14 Michael Meissner <meissner@linux.ibm.com>
gcc/
* config/rs6000/predicates.md (easy_fp_constant_float_to_v2df):
Disable XXSPLTIDP loading up integer constants.
Diff:
---
gcc/config/rs6000/predicates.md | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/gcc/config/rs6000/predicates.md b/gcc/config/rs6000/predicates.md
index edd64eab1e6..0d43d688142 100644
--- a/gcc/config/rs6000/predicates.md
+++ b/gcc/config/rs6000/predicates.md
@@ -661,21 +661,15 @@
const REAL_VALUE_TYPE *rv;
REAL_VALUE_TYPE rv_type;
- if (CONST_INT_P (element))
+ if (CONST_INT_P (element) && 0)
{
HOST_WIDE_INT df_value = INTVAL (element);
long df_words[2];
-#if 0
/* Stay away from NaNs and denormal values. */
int exponent = (df_value >> 52) & 0x7ff;
if (exponent == 0 || exponent == 0x7ff)
return false;
-#else
- /* For now, only handle -0.0. */
- if (df_value != 0x80000000)
- return false;
-#endif
df_words[0] = (df_value >> 32) & 0xffffffff;
df_words[1] = df_value & 0xffffffff;
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