* [COMMITTED] amdgcn: Fix expansion of GCN_BUILTIN_LDEXPV builtin
@ 2022-11-08 15:08 Kwok Cheung Yeung
0 siblings, 0 replies; only message in thread
From: Kwok Cheung Yeung @ 2022-11-08 15:08 UTC (permalink / raw)
To: gcc-patches, Andrew Stubbs
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Hello
This patch fixes a bug in the expansion of GCN_BUILTIN_LDEXPV. As this
is a double-precision operation, the first argument should be expanded
as a V64DF expression (instead of V64SF).
Committed to trunk as obvious.
Kwok
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From cb0a2b1f28cf0c231bf38fcd02c40689739df7bb Mon Sep 17 00:00:00 2001
From: Kwok Cheung Yeung <kcy@codesourcery.com>
Date: Tue, 8 Nov 2022 14:38:23 +0000
Subject: [PATCH] amdgcn: Fix expansion of GCN_BUILTIN_LDEXPV builtin
2022-11-08 Kwok Cheung Yeung <kcy@codesourcery.com>
gcc/
* config/gcn/gcn.cc (gcn_expand_builtin_1): Expand first argument
of GCN_BUILTIN_LDEXPV to V64DFmode.
---
gcc/config/gcn/gcn.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/config/gcn/gcn.cc b/gcc/config/gcn/gcn.cc
index 9c5e3419748..5e6f3b8b74b 100644
--- a/gcc/config/gcn/gcn.cc
+++ b/gcc/config/gcn/gcn.cc
@@ -4383,7 +4383,7 @@ gcn_expand_builtin_1 (tree exp, rtx target, rtx /*subtarget */ ,
return target;
rtx arg1 = force_reg (V64DFmode,
expand_expr (CALL_EXPR_ARG (exp, 0), NULL_RTX,
- V64SFmode,
+ V64DFmode,
EXPAND_NORMAL));
rtx arg2 = force_reg (V64SImode,
expand_expr (CALL_EXPR_ARG (exp, 1), NULL_RTX,
--
2.25.1
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2022-11-08 15:08 [COMMITTED] amdgcn: Fix expansion of GCN_BUILTIN_LDEXPV builtin Kwok Cheung Yeung
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