https://github.com/AtariDreams updated
https://github.com/llvm/llvm-project/pull/78905
>From 3a5987046ea03dc552e1dc54ca1c60c4afe984cf Mon Sep 17 00:00:00 2001
From: Rose <83477269+ataridre...@users.noreply.github.com>
Date: Sun, 21 Jan 2024 11:52:11 -0500
Subject: [PATCH] [clang] Resolve FIXME in altivec.h
treat parameter as a 5-bit signed literal.
---
clang/lib/Headers/altivec.h | 64 ++++++++++++++++++++-----------------
1 file changed, 34 insertions(+), 30 deletions(-)
diff --git a/clang/lib/Headers/altivec.h b/clang/lib/Headers/altivec.h
index 4971631c50f412..84fb98712ccef1 100644
--- a/clang/lib/Headers/altivec.h
+++ b/clang/lib/Headers/altivec.h
@@ -10311,78 +10311,82 @@ static __inline__ vector float __ATTRS_o_ai
vec_vspltw(vector float __a,
b1, b2, b3, __b, b1, b2, b3));
}
+typedef union {
+ struct {
+ signed int value : 5; // 5-bit signed integer
+ } field;
+ signed char byte;
+} FiveBitSigned;
+
/* vec_splat_s8 */
#define __builtin_altivec_vspltisb vec_splat_s8
-// FIXME: parameter should be treated as 5-bit signed literal
static __inline__ vector signed char __ATTRS_o_ai
vec_splat_s8(signed char __a) {
- return (vector signed char)(__a);
+ FiveBitSigned fbs;
+ fbs.byte = __a;
+ return (vector signed char)(fbs.field.value);
}
/* vec_vspltisb */
-
-// FIXME: parameter should be treated as 5-bit signed literal
static __inline__ vector signed char __ATTRS_o_ai
vec_vspltisb(signed char __a) {
- return (vector signed char)(__a);
+ FiveBitSigned fbs;
+ fbs.byte = __a;
+ return (vector signed char)(fbs.field.value);
}
/* vec_splat_s16 */
-
-#define __builtin_altivec_vspltish vec_splat_s16
-
-// FIXME: parameter should be treated as 5-bit signed literal
static __inline__ vector short __ATTRS_o_ai vec_splat_s16(signed char __a) {
- return (vector short)(__a);
+ FiveBitSigned fbs;
+ fbs.byte = __a;
+ return (vector short)(fbs.field.value);
}
/* vec_vspltish */
-
-// FIXME: parameter should be treated as 5-bit signed literal
static __inline__ vector short __ATTRS_o_ai vec_vspltish(signed char __a) {
- return (vector short)(__a);
+ FiveBitSigned fbs;
+ fbs.byte = __a;
+ return (vector short)(fbs.field.value);
}
/* vec_splat_s32 */
-
-#define __builtin_altivec_vspltisw vec_splat_s32
-
-// FIXME: parameter should be treated as 5-bit signed literal
static __inline__ vector int __ATTRS_o_ai vec_splat_s32(signed char __a) {
- return (vector int)(__a);
+ FiveBitSigned fbs;
+ fbs.byte = __a;
+ return (vector int)(fbs.field.value);
}
/* vec_vspltisw */
-
-// FIXME: parameter should be treated as 5-bit signed literal
static __inline__ vector int __ATTRS_o_ai vec_vspltisw(signed char __a) {
- return (vector int)(__a);
+ FiveBitSigned fbs;
+ fbs.byte = __a;
+ return (vector int)(fbs.field.value);
}
/* vec_splat_u8 */
-
-// FIXME: parameter should be treated as 5-bit signed literal
static __inline__ vector unsigned char __ATTRS_o_ai
vec_splat_u8(unsigned char __a) {
- return (vector unsigned char)(__a);
+ FiveBitSigned fbs;
+ fbs.byte = __a;
+ return (vector unsigned char)(fbs.field.value);
}
/* vec_splat_u16 */
-
-// FIXME: parameter should be treated as 5-bit signed literal
static __inline__ vector unsigned short __ATTRS_o_ai
vec_splat_u16(signed char __a) {
- return (vector unsigned short)(__a);
+ FiveBitSigned fbs;
+ fbs.byte = __a;
+ return (vector unsigned short)(fbs.field.value);
}
/* vec_splat_u32 */
-
-// FIXME: parameter should be treated as 5-bit signed literal
static __inline__ vector unsigned int __ATTRS_o_ai
vec_splat_u32(signed char __a) {
- return (vector unsigned int)(__a);
+ FiveBitSigned fbs;
+ fbs.byte = __a;
+ return (vector unsigned int)(fbs.field.value);
}
/* vec_sr */
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