phoebewang wrote:
> I lost the `__fastcall` or `__vectorcall` during editing, here's a fixed
> link: https://godbolt.org/z/46j33z8bc
>
> You can see the load from [edx] and store to [ecx]:
>
> ```
> NonTrivial copy_nontrivial(NonTrivial *) PROC ; copy_nontrivial, COMDAT
> mov
https://github.com/phoebewang approved this pull request.
LGTM.
https://github.com/llvm/llvm-project/pull/97824
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@@ -13,6 +13,7 @@
#ifndef LLVM_TARGETPARSER_HOST_H
#define LLVM_TARGETPARSER_HOST_H
+#include
phoebewang wrote:
ditto
https://github.com/llvm/llvm-project/pull/97824
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@@ -15,21 +15,22 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/TargetParser/Host.h"
+#include
+
phoebewang wrote:
Not needed.
https://github.com/llvm/llvm-project/pull/97824
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phoebewang wrote:
> You can see from this example that when C++ rules force the use of an sret
> indirect return, a register is consumed:
> https://godbolt.org/z/W3fdn8s5Y
Could you explain more about the example? I didn't find where the register
consumed. Don't both `copy_trivial` and
https://github.com/phoebewang closed
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phoebewang wrote:
> I meant, at the beginning of X86_32ABIInfo::computeInfo there's a chain of if
> statements that set up the properties of different calling conventions, and
> maybe some bits could be set there. If you don't think that makes sense,
> though, it's fine.
Thanks
phoebewang wrote:
> It looks like MSVC also applies this rule to fastcall.
Good catch, done!
> Maybe put a boolean in the "state" to try to group together the code for
> specific conventions, instead of directly checking the CC.
There are 3 special conventions here: vectorcall, fastcall and
https://github.com/phoebewang updated
https://github.com/llvm/llvm-project/pull/97939
>From cf19ec8d705434ca6d989a72069dba1040c360ca Mon Sep 17 00:00:00 2001
From: Phoebe Wang
Date: Sun, 7 Jul 2024 13:14:59 +0800
Subject: [PATCH 1/2] [X86][vectorcall] Do not consume register for indirect
https://github.com/phoebewang created
https://github.com/llvm/llvm-project/pull/97939
This is how MSVC handles it. https://godbolt.org/z/Eav3vx7cd
>From cf19ec8d705434ca6d989a72069dba1040c360ca Mon Sep 17 00:00:00 2001
From: Phoebe Wang
Date: Sun, 7 Jul 2024 13:14:59 +0800
Subject: [PATCH]
@@ -1710,15 +1710,17 @@ VendorSignatures getVendorSignature(unsigned *MaxLeaf) {
#if defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64__) || defined(_M_X64)
-bool sys::getHostCPUFeatures(StringMap ) {
+std::optional> sys::getHostCPUFeatures() {
unsigned EAX =
https://github.com/phoebewang approved this pull request.
LGTM.
https://github.com/llvm/llvm-project/pull/97525
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@@ -0,0 +1,29 @@
+USE_XMM=
phoebewang wrote:
How about we move these old implementations in to a seperate file (or leave
them where they are if you like) and rename them to _dept, so that we don't
rely on old compilers? We can then remove them as well as
@@ -21,10 +21,29 @@ typedef int __v2si __attribute__((__vector_size__(8)));
typedef short __v4hi __attribute__((__vector_size__(8)));
typedef char __v8qi __attribute__((__vector_size__(8)));
+/* Unsigned types */
+typedef unsigned long long __v1du __attribute__
@@ -2502,10 +2509,25 @@ _mm_mulhi_pu16(__m64 __a, __m64 __b)
///A pointer to a 64-bit memory location that will receive the
conditionally
///copied integer values. The address of the memory location does not have
///to be aligned.
-static __inline__ void
@@ -494,10 +520,10 @@ _mm_adds_pu16(__m64 __m1, __m64 __m2)
///A 64-bit integer vector of [8 x i8] containing the subtrahends.
/// \returns A 64-bit integer vector of [8 x i8] containing the differences of
///both parameters.
-static __inline__ __m64 __DEFAULT_FN_ATTRS
@@ -0,0 +1,29 @@
+USE_XMM=
phoebewang wrote:
What these tests used for? Is your local tool uploaded unintentionally or you
want them to be reviewed as well?
https://github.com/llvm/llvm-project/pull/96540
___
@@ -124,10 +143,11 @@ _mm_cvtm64_si64(__m64 __m)
///written to the upper 32 bits of the result.
/// \returns A 64-bit integer vector of [8 x i8] containing the converted
///values.
-static __inline__ __m64 __DEFAULT_FN_ATTRS
+static __inline__ __m64
@@ -177,7 +175,10 @@ _mm_abs_epi32(__m128i __a)
/// \returns A 64-bit integer vector containing the concatenated right-shifted
///value.
#define _mm_alignr_pi8(a, b, n) \
- ((__m64)__builtin_ia32_palignr((__v8qi)(__m64)(a), (__v8qi)(__m64)(b), (n)))
+
@@ -21,10 +21,29 @@ typedef int __v2si __attribute__((__vector_size__(8)));
typedef short __v4hi __attribute__((__vector_size__(8)));
typedef char __v8qi __attribute__((__vector_size__(8)));
+/* Unsigned types */
+typedef unsigned long long __v1du __attribute__
@@ -811,10 +843,11 @@ _mm_slli_pi32(__m64 __m, int __count)
///A 64-bit integer vector interpreted as a single 64-bit integer.
/// \returns A 64-bit integer vector containing the left-shifted value. If
/// \a __count is greater or equal to 64, the result is set to 0.
@@ -614,12 +623,15 @@ _mm_shuffle_epi8(__m128i __a, __m128i __b)
///1: Clear the corresponding byte in the destination. \n
///0: Copy the selected source byte to the corresponding byte in the
///destination. \n
-///Bits [3:0] select the source byte to be
@@ -150,8 +150,8 @@ TARGET_BUILTIN(__builtin_ia32_pmovmskb, "iV8c", "ncV:64:",
"mmx,sse")
TARGET_BUILTIN(__builtin_ia32_pmulhuw, "V4sV4sV4s", "ncV:64:", "mmx,sse")
TARGET_BUILTIN(__builtin_ia32_psadbw, "V4sV8cV8c", "ncV:64:", "mmx,sse")
TARGET_BUILTIN(__builtin_ia32_pshufw,
@@ -1035,10 +1077,11 @@ _mm_srli_pi32(__m64 __m, int __count)
/// \param __count
///A 64-bit integer vector interpreted as a single 64-bit integer.
/// \returns A 64-bit integer vector containing the right-shifted value.
-static __inline__ __m64 __DEFAULT_FN_ATTRS
+static
@@ -242,10 +243,11 @@ _mm_hadd_epi32(__m128i __a, __m128i __b)
///destination.
/// \returns A 64-bit vector of [4 x i16] containing the horizontal sums of
both
///operands.
-static __inline__ __m64 __DEFAULT_FN_ATTRS_MMX
+static __inline__ __m64 __DEFAULT_FN_ATTRS
@@ -337,10 +363,10 @@ _mm_unpacklo_pi32(__m64 __m1, __m64 __m2)
///A 64-bit integer vector of [8 x i8].
/// \returns A 64-bit integer vector of [8 x i8] containing the sums of both
///parameters.
-static __inline__ __m64 __DEFAULT_FN_ATTRS
+static __inline__ __m64
@@ -21,10 +21,29 @@ typedef int __v2si __attribute__((__vector_size__(8)));
typedef short __v4hi __attribute__((__vector_size__(8)));
typedef char __v8qi __attribute__((__vector_size__(8)));
+/* Unsigned types */
+typedef unsigned long long __v1du __attribute__
@@ -2539,9 +2536,8 @@ static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_sub_epi32(__m128i __a,
///A 64-bit integer vector containing the subtrahend.
/// \returns A 64-bit integer vector containing the difference of the values in
///the operands.
-static __inline__
@@ -21,10 +21,29 @@ typedef int __v2si __attribute__((__vector_size__(8)));
typedef short __v4hi __attribute__((__vector_size__(8)));
typedef char __v8qi __attribute__((__vector_size__(8)));
+/* Unsigned types */
+typedef unsigned long long __v1du __attribute__
https://github.com/phoebewang commented:
This is much like what we have removed for KNL intrinsics/instructions., so
general LGTM. But I'd like Simon to sign off given I'm not familar with 3DNOW
instructions.
https://github.com/llvm/llvm-project/pull/96246
https://github.com/phoebewang closed
https://github.com/llvm/llvm-project/pull/93774
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@@ -330,24 +330,35 @@ static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
__asm__ volatile("hlt");
}
-static inline int _inp(unsigned short port) {
- int ret;
+static inline unsigned char __inbyte(unsigned short port) {
+ unsigned char ret;
__asm__ volatile("inb
https://github.com/phoebewang commented:
LGTM.
https://github.com/llvm/llvm-project/pull/93774
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@@ -348,6 +348,20 @@ static inline unsigned long _inpd(unsigned short port) {
return ret;
}
+static inline int _outp(unsigned short port, int data) {
phoebewang wrote:
Can we change it to `__outbyte` instead?
@@ -63,6 +63,91 @@ unsigned __int64 test__emulu(unsigned int a, unsigned int b)
{
// CHECK: [[RES:%[0-9]+]] = mul nuw i64 [[Y]], [[X]]
// CHECK: ret i64 [[RES]]
+//
+// CHECK-I386-LABEL: define dso_local noundef i32 @test_outp(
+// CHECK-I386-SAME: i16 noundef zeroext
@@ -348,6 +348,20 @@ static inline unsigned long _inpd(unsigned short port) {
return ret;
}
+static inline int _outp(unsigned short port, int data) {
+ __asm__ volatile("outb %b0, %w1" : : "a"(data), "Nd"(port));
+ return data;
phoebewang wrote:
Return
@@ -63,6 +63,91 @@ unsigned __int64 test__emulu(unsigned int a, unsigned int b)
{
// CHECK: [[RES:%[0-9]+]] = mul nuw i64 [[Y]], [[X]]
// CHECK: ret i64 [[RES]]
+//
+// CHECK-I386-LABEL: define dso_local noundef i32 @test_outp(
+// CHECK-I386-SAME: i16 noundef zeroext
@@ -63,6 +63,91 @@ unsigned __int64 test__emulu(unsigned int a, unsigned int b)
{
// CHECK: [[RES:%[0-9]+]] = mul nuw i64 [[Y]], [[X]]
// CHECK: ret i64 [[RES]]
+//
+// CHECK-I386-LABEL: define dso_local noundef i32 @test_outp(
+// CHECK-I386-SAME: i16 noundef zeroext
@@ -63,6 +63,91 @@ unsigned __int64 test__emulu(unsigned int a, unsigned int b)
{
// CHECK: [[RES:%[0-9]+]] = mul nuw i64 [[Y]], [[X]]
// CHECK: ret i64 [[RES]]
+//
+// CHECK-I386-LABEL: define dso_local noundef i32 @test_outp(
+// CHECK-I386-SAME: i16 noundef zeroext
@@ -63,6 +63,91 @@ unsigned __int64 test__emulu(unsigned int a, unsigned int b)
{
// CHECK: [[RES:%[0-9]+]] = mul nuw i64 [[Y]], [[X]]
// CHECK: ret i64 [[RES]]
+//
+// CHECK-I386-LABEL: define dso_local noundef i32 @test_outp(
+// CHECK-I386-SAME: i16 noundef zeroext
https://github.com/phoebewang approved this pull request.
LGTM.
https://github.com/llvm/llvm-project/pull/93774
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https://github.com/phoebewang approved this pull request.
LGTM.
https://github.com/llvm/llvm-project/pull/95890
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@@ -5,15 +5,15 @@
// NO_GHASH-NOT: "-gcodeview-ghash"
// default
-// RUN: %clang_cl /Z7 -### -- %s 2>&1 | FileCheck -check-prefix=NO_GHASH %s
+// RUN: %clang_cl -target x86_64-windows /Z7 -### -- %s 2>&1 | FileCheck
-check-prefix=NO_GHASH %s
// enabled
-// RUN: %clang_cl
@@ -298,15 +298,15 @@
// FioRACE2: "-E"
// FioRACE2: "-o" "foo.x"
-// RUN: %clang_cl /Z7 /Foa.obj -### -- %s 2>&1 | FileCheck
-check-prefix=ABSOLUTE_OBJPATH %s
+// RUN: %clang_cl -target x86_64-windows /Z7 /Foa.obj -### -- %s 2>&1 |
FileCheck -check-prefix=ABSOLUTE_OBJPATH
https://github.com/phoebewang closed
https://github.com/llvm/llvm-project/pull/93804
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https://github.com/phoebewang approved this pull request.
LGTM.
https://github.com/llvm/llvm-project/pull/93804
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@@ -329,6 +329,25 @@ static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned
__int64 *__dst,
static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
__asm__ volatile("hlt");
}
+
+static inline int _inp(unsigned short port) {
+ int ret;
+ __asm__ volatile("inb %w1,
@@ -329,6 +329,25 @@ static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned
__int64 *__dst,
static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
__asm__ volatile("hlt");
}
+
+static inline int _inp(unsigned short port) {
+ int ret;
+ __asm__ volatile("inb %w1,
@@ -329,6 +329,28 @@ static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned
__int64 *__dst,
static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
__asm__ volatile("hlt");
}
+
+static inline int _inp(unsigned short port) {
+ int ret;
+ __asm__ volatile("inb %w1,
@@ -63,6 +63,47 @@ unsigned __int64 test__emulu(unsigned int a, unsigned int b)
{
// CHECK: [[RES:%[0-9]+]] = mul nuw i64 [[Y]], [[X]]
// CHECK: ret i64 [[RES]]
+
+int test_inp(unsigned short port) {
+ return _inp(port);
+}
+// CHECK-LABEL: i32 @test_inp(i16 noundef
+//
@@ -329,6 +329,28 @@ static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned
__int64 *__dst,
static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
__asm__ volatile("hlt");
}
+
+static inline int _inp(unsigned short port) {
+ int ret;
+ __asm__ volatile("inb %b1,
@@ -329,6 +329,28 @@ static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned
__int64 *__dst,
static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
__asm__ volatile("hlt");
}
+
+static inline int _inp(unsigned short port) {
+ int ret;
+ __asm__ volatile("inb %b1,
@@ -63,6 +63,82 @@ unsigned __int64 test__emulu(unsigned int a, unsigned int b)
{
// CHECK: [[RES:%[0-9]+]] = mul nuw i64 [[Y]], [[X]]
// CHECK: ret i64 [[RES]]
+
+int test_inp(unsigned short port) {
+ return _inp(port);
+}
+// CHECK-I386-LABEL: define dso_local i32
@@ -63,6 +63,82 @@ unsigned __int64 test__emulu(unsigned int a, unsigned int b)
{
// CHECK: [[RES:%[0-9]+]] = mul nuw i64 [[Y]], [[X]]
// CHECK: ret i64 [[RES]]
+
+int test_inp(unsigned short port) {
+ return _inp(port);
+}
+// CHECK-I386-LABEL: define dso_local i32
@@ -63,6 +63,82 @@ unsigned __int64 test__emulu(unsigned int a, unsigned int b)
{
// CHECK: [[RES:%[0-9]+]] = mul nuw i64 [[Y]], [[X]]
// CHECK: ret i64 [[RES]]
+
+int test_inp(unsigned short port) {
+ return _inp(port);
+}
+// CHECK-I386-LABEL: define dso_local i32
@@ -329,6 +329,26 @@ static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned
__int64 *__dst,
static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
__asm__ volatile("hlt");
}
+
+static __inline__ int __DEFAULT_FN_ATTRS _outp(unsigned short port, int data) {
+ __asm__
@@ -329,6 +329,26 @@ static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned
__int64 *__dst,
static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
__asm__ volatile("hlt");
}
+
+static __inline__ int __DEFAULT_FN_ATTRS _outp(unsigned short port, int data) {
+ __asm__
https://github.com/phoebewang approved this pull request.
LGTM.
https://github.com/llvm/llvm-project/pull/93136
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phoebewang wrote:
LGTM but I'd like @RKSimon to take a second look.
https://github.com/llvm/llvm-project/pull/92883
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@@ -8,16 +8,12 @@ target triple = "x86_64-unknown-linux-gnu"
define dso_local i32 @main() local_unnamed_addr #0 !dbg !7 {
entry:
tail call void @llvm.prefetch(ptr inttoptr (i64 291 to ptr), i32 0, i32 0,
i32 1), !dbg !9
- tail call void @llvm.x86.avx512.gatherpf.dpd.512(i8
@@ -268,30 +268,6 @@ define void @gather_qps(<8 x i64> %ind, <8 x float> %src,
ptr %base, ptr %stbuf)
ret void
}
-declare void @llvm.x86.avx512.gatherpf.qps.512(i8, <8 x i64>, ptr , i32, i32);
phoebewang wrote:
Surprise to see they were working without a
@@ -23,7 +23,7 @@
br i1 %6, label %4, label %5, !llvm.loop !9
}
- attributes #0 = { nofree norecurse nosync nounwind uwtable writeonly
mustprogress "frame-pointer"="none" "min-legal-vector-width"="0"
"no-trapping-math"="true" "stack-protector-buffer-size"="8"
@@ -1,373 +0,0 @@
-# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
phoebewang wrote:
Why removing this?
https://github.com/llvm/llvm-project/pull/92883
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@@ -9265,6 +9265,33 @@ multiclass avx512_fp28_s opc, string
OpcodeStr,X86VectorVTInfo _,
}
}
+multiclass avx512_fp28_s_ass opc, string OpcodeStr, X86VectorVTInfo _>
{
+ let ExeDomain = _.ExeDomain, hasNoSchedulingInfo = 1 in {
+ defm r : AVX512_maskable_scalar,
@@ -9325,6 +9345,43 @@ multiclass avx512_fp28_p_sae opc, string
OpcodeStr, X86VectorVTInfo _,
EVEX_B, Sched<[sched]>;
}
+multiclass avx512_fp28_p_ass opc, string OpcodeStr, X86VectorVTInfo _>
{
+ let ExeDomain = _.ExeDomain, hasNoSchedulingInfo = 1
@@ -9265,6 +9265,33 @@ multiclass avx512_fp28_s opc, string
OpcodeStr,X86VectorVTInfo _,
}
}
+multiclass avx512_fp28_s_ass opc, string OpcodeStr, X86VectorVTInfo _>
{
+ let ExeDomain = _.ExeDomain, hasNoSchedulingInfo = 1 in {
+ defm r : AVX512_maskable_scalar,
phoebewang wrote:
Please note it in release notes.
https://github.com/llvm/llvm-project/pull/92883
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@@ -41,6 +41,22 @@ typedef long long __m512i_u
__attribute__((__vector_size__(64), __aligned__(1)))
typedef unsigned char __mmask8;
typedef unsigned short __mmask16;
+#ifdef __cplusplus
+typedef bool __vecmask2 __attribute__((__ext_vector_type__(2)));
+typedef bool
@@ -77,9 +77,9 @@ _mm512_cvtne2ps_pbh(__m512 __A, __m512 __B) {
///conversion of __B, and higher 256 bits come from conversion of __A.
static __inline__ __m512bh __DEFAULT_FN_ATTRS512
_mm512_mask_cvtne2ps_pbh(__m512bh __W, __mmask32 __U, __m512 __A, __m512 __B) {
- return
@@ -41,6 +41,22 @@ typedef long long __m512i_u
__attribute__((__vector_size__(64), __aligned__(1)))
typedef unsigned char __mmask8;
typedef unsigned short __mmask16;
+#ifdef __cplusplus
+typedef bool __vecmask2 __attribute__((__ext_vector_type__(2)));
+typedef bool
@@ -3019,6 +3019,26 @@ C-style cast applied to each element of the first
argument.
Query for this feature with ``__has_builtin(__builtin_convertvector)``.
+``__builtin_selectvector``
+--
+
+``__builtin_selectvector`` is used to express generic vector
@@ -3744,6 +3744,12 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl
GD, unsigned BuiltinID,
return RValue::get(Result);
}
+ case Builtin::BI__builtin_selectvector: {
+return RValue::get(Builder.CreateSelect(EmitScalarExpr(E->getArg(2)),
phoebewang wrote:
> @phoebewang Can you add a release note for this on the PR for the release
> branch and then add the release:note label.
Done.
https://github.com/llvm/llvm-project/pull/91694
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phoebewang wrote:
Ping?
https://github.com/llvm/llvm-project/pull/88245
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https://github.com/llvm/llvm-project/pull/91846
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phoebewang wrote:
> You'll be probably building 18.1.6 with 18.1.5... and that's when you'll
> notice the issue. I'm just about finished building 18.1.5 with your patch. So
> hopefully all those issues will be gone. I'll report back
Okay... This is a combined problem which I never thought
phoebewang wrote:
@FireBurn Sorry, I just noticed #91719. The above comments were based on the
issue #91076.
I didn't look at the source, but the command line doesn't have an AVX512
option. So I'm assuming the code may related function multi-versioning with
manually specified target
phoebewang wrote:
> @tstellar Can a note be added somewhere about this? Folks upgrading to
> llvm-18.1.6 will get errors unless they drop -march=native if they were on
> 18.1.5
Although I agree we should add a note, I don't think this patch affects much.
The problem only coccurs when
@@ -792,7 +792,7 @@ ABIArgInfo X86_32ABIInfo::classifyArgumentType(QualType Ty,
CCState ,
return ABIArgInfo::getDirect();
return ABIArgInfo::getExpand();
}
-return getIndirectResult(Ty, /*ByVal=*/false, State);
+return getIndirectResult(Ty,
https://github.com/phoebewang updated
https://github.com/llvm/llvm-project/pull/91846
>From 844fb5283d654d7d9cb68c5712b338f0a70b384e Mon Sep 17 00:00:00 2001
From: Phoebe Wang
Date: Sat, 11 May 2024 16:07:00 +0800
Subject: [PATCH 1/2] [X86][vectorcall] Pass built types byval when xmm0~6
https://github.com/phoebewang created
https://github.com/llvm/llvm-project/pull/91846
This is how MSVC handles it. https://godbolt.org/z/fG386bjnf
>From 844fb5283d654d7d9cb68c5712b338f0a70b384e Mon Sep 17 00:00:00 2001
From: Phoebe Wang
Date: Sat, 11 May 2024 16:07:00 +0800
Subject: [PATCH]
phoebewang wrote:
/cherry-pick
https://github.com/llvm/llvm-project/commit/87f3407856e61a73798af4e41b28bc33b5bf4ce6
https://github.com/llvm/llvm-project/pull/91694
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https://github.com/phoebewang milestoned
https://github.com/llvm/llvm-project/pull/91694
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https://github.com/phoebewang closed
https://github.com/llvm/llvm-project/pull/91694
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phoebewang wrote:
> Could you make getHostCPUFeatures only write the Features["evex512"] entry if
> Features["avx512f"] is true? Instead of copying Features["avx512f"]?
Good idea, done.
https://github.com/llvm/llvm-project/pull/91694
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https://github.com/phoebewang updated
https://github.com/llvm/llvm-project/pull/91694
>From 6ea15aa0ee6726cad8dccff10155f058afa0f013 Mon Sep 17 00:00:00 2001
From: Phoebe Wang
Date: Fri, 10 May 2024 11:21:41 +0800
Subject: [PATCH 1/2] [X86][Driver] Do not add `-evex512` for `-march=native`
https://github.com/phoebewang edited
https://github.com/llvm/llvm-project/pull/91694
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https://github.com/phoebewang edited
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https://github.com/phoebewang created
https://github.com/llvm/llvm-project/pull/91694
…et doesn't support AVX512
Users want `-march=sandybridge -mavx512f -mavx512vl` behaves the same as
`-march=native -mavx512f -mavx512vl` on a sandybridge target.
Fixes: #91076
>From
https://github.com/phoebewang edited
https://github.com/llvm/llvm-project/pull/91323
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@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -o /dev/null
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +egpr %s -o
/dev/null
+
+int foo(void) {
+ register int a __asm__("ebx");
+#ifdef __EGPR__
phoebewang wrote:
https://github.com/phoebewang reopened
https://github.com/llvm/llvm-project/pull/88245
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phoebewang wrote:
> For driver tests we prefer specifying a concrete target triple than making a
> test dependent on the default target triple (controlled by `REQUIES:
> coff-supported-target` in this case).
>
> A concrete target triple (e.g. x86_64-windows) loses coverage for
>
https://github.com/phoebewang updated
https://github.com/llvm/llvm-project/pull/88245
>From 569c7dfee58f7e4357d8af45b52a3135cb4e2e65 Mon Sep 17 00:00:00 2001
From: Phoebe Wang
Date: Wed, 10 Apr 2024 15:38:49 +0800
Subject: [PATCH 1/3] "Reland "[Win32][ELF] Make CodeView a DebugInfoFormat
only
https://github.com/phoebewang updated
https://github.com/llvm/llvm-project/pull/88245
>From 569c7dfee58f7e4357d8af45b52a3135cb4e2e65 Mon Sep 17 00:00:00 2001
From: Phoebe Wang
Date: Wed, 10 Apr 2024 15:38:49 +0800
Subject: [PATCH 1/3] "Reland "[Win32][ELF] Make CodeView a DebugInfoFormat
only
https://github.com/phoebewang updated
https://github.com/llvm/llvm-project/pull/88245
>From 569c7dfee58f7e4357d8af45b52a3135cb4e2e65 Mon Sep 17 00:00:00 2001
From: Phoebe Wang
Date: Wed, 10 Apr 2024 15:38:49 +0800
Subject: [PATCH 1/3] "Reland "[Win32][ELF] Make CodeView a DebugInfoFormat
only
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