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* [gcc(refs/users/ibuclaw/heads/darwin)] libphobos: Use raw byte sequence instead of xgetbv
@ 2021-01-28 17:31 Iain Buclaw
0 siblings, 0 replies; 7+ messages in thread
From: Iain Buclaw @ 2021-01-28 17:31 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:fc04827f4539d61f299391e9f946292bce7418fa
commit fc04827f4539d61f299391e9f946292bce7418fa
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date: Thu Dec 3 23:52:11 2020 +0100
libphobos: Use raw byte sequence instead of xgetbv
Diff:
---
libphobos/libdruntime/core/cpuid.d | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libphobos/libdruntime/core/cpuid.d b/libphobos/libdruntime/core/cpuid.d
index 2ba13b55bf1..109fd3b9efc 100644
--- a/libphobos/libdruntime/core/cpuid.d
+++ b/libphobos/libdruntime/core/cpuid.d
@@ -771,7 +771,10 @@ void cpuidX86()
if (cf.miscfeatures & OSXSAVE_BIT)
{
version (GNU) asm pure nothrow @nogc {
- "xgetbv" : "=a" (a), "=d" (d) : "c" (0);
+ /* Old assemblers do not recognize xgetbv, and there is no easy way
+ * to conditionally compile based on the assembler used, so use the
+ * raw .byte sequence instead. */
+ ".byte 0x0f, 0x01, 0xd0" : "=a" (a), "=d" (d) : "c" (0);
} else asm pure nothrow @nogc {
mov ECX, 0;
xgetbv;
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/users/ibuclaw/heads/darwin)] libphobos: Use raw byte sequence instead of xgetbv
@ 2021-01-30 19:08 Iain Buclaw
0 siblings, 0 replies; 7+ messages in thread
From: Iain Buclaw @ 2021-01-30 19:08 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:2ab6f8177afe1dd0a779fae599370ef79a4bc893
commit 2ab6f8177afe1dd0a779fae599370ef79a4bc893
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date: Thu Dec 3 23:52:11 2020 +0100
libphobos: Use raw byte sequence instead of xgetbv
Diff:
---
libphobos/libdruntime/core/cpuid.d | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libphobos/libdruntime/core/cpuid.d b/libphobos/libdruntime/core/cpuid.d
index 2ba13b55bf1..109fd3b9efc 100644
--- a/libphobos/libdruntime/core/cpuid.d
+++ b/libphobos/libdruntime/core/cpuid.d
@@ -771,7 +771,10 @@ void cpuidX86()
if (cf.miscfeatures & OSXSAVE_BIT)
{
version (GNU) asm pure nothrow @nogc {
- "xgetbv" : "=a" (a), "=d" (d) : "c" (0);
+ /* Old assemblers do not recognize xgetbv, and there is no easy way
+ * to conditionally compile based on the assembler used, so use the
+ * raw .byte sequence instead. */
+ ".byte 0x0f, 0x01, 0xd0" : "=a" (a), "=d" (d) : "c" (0);
} else asm pure nothrow @nogc {
mov ECX, 0;
xgetbv;
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/users/ibuclaw/heads/darwin)] libphobos: Use raw byte sequence instead of xgetbv
@ 2021-01-11 11:39 Iain Buclaw
0 siblings, 0 replies; 7+ messages in thread
From: Iain Buclaw @ 2021-01-11 11:39 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:580ad7746983e73c1453039ee87b876de6f4d711
commit 580ad7746983e73c1453039ee87b876de6f4d711
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date: Thu Dec 3 23:52:11 2020 +0100
libphobos: Use raw byte sequence instead of xgetbv
Diff:
---
libphobos/libdruntime/core/cpuid.d | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libphobos/libdruntime/core/cpuid.d b/libphobos/libdruntime/core/cpuid.d
index 2ba13b55bf1..109fd3b9efc 100644
--- a/libphobos/libdruntime/core/cpuid.d
+++ b/libphobos/libdruntime/core/cpuid.d
@@ -771,7 +771,10 @@ void cpuidX86()
if (cf.miscfeatures & OSXSAVE_BIT)
{
version (GNU) asm pure nothrow @nogc {
- "xgetbv" : "=a" (a), "=d" (d) : "c" (0);
+ /* Old assemblers do not recognize xgetbv, and there is no easy way
+ * to conditionally compile based on the assembler used, so use the
+ * raw .byte sequence instead. */
+ ".byte 0x0f, 0x01, 0xd0" : "=a" (a), "=d" (d) : "c" (0);
} else asm pure nothrow @nogc {
mov ECX, 0;
xgetbv;
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/users/ibuclaw/heads/darwin)] libphobos: Use raw byte sequence instead of xgetbv
@ 2020-12-22 13:40 Iain Buclaw
0 siblings, 0 replies; 7+ messages in thread
From: Iain Buclaw @ 2020-12-22 13:40 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:5629fd368f53a181177d0a82a22ec4c0789f367e
commit 5629fd368f53a181177d0a82a22ec4c0789f367e
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date: Thu Dec 3 23:52:11 2020 +0100
libphobos: Use raw byte sequence instead of xgetbv
Diff:
---
libphobos/libdruntime/core/cpuid.d | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libphobos/libdruntime/core/cpuid.d b/libphobos/libdruntime/core/cpuid.d
index 2ba13b55bf1..109fd3b9efc 100644
--- a/libphobos/libdruntime/core/cpuid.d
+++ b/libphobos/libdruntime/core/cpuid.d
@@ -771,7 +771,10 @@ void cpuidX86()
if (cf.miscfeatures & OSXSAVE_BIT)
{
version (GNU) asm pure nothrow @nogc {
- "xgetbv" : "=a" (a), "=d" (d) : "c" (0);
+ /* Old assemblers do not recognize xgetbv, and there is no easy way
+ * to conditionally compile based on the assembler used, so use the
+ * raw .byte sequence instead. */
+ ".byte 0x0f, 0x01, 0xd0" : "=a" (a), "=d" (d) : "c" (0);
} else asm pure nothrow @nogc {
mov ECX, 0;
xgetbv;
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/users/ibuclaw/heads/darwin)] libphobos: Use raw byte sequence instead of xgetbv
@ 2020-12-09 9:50 Iain Buclaw
0 siblings, 0 replies; 7+ messages in thread
From: Iain Buclaw @ 2020-12-09 9:50 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:bba9ec13894b9c4a1a4391ca04c0e553be5c0e69
commit bba9ec13894b9c4a1a4391ca04c0e553be5c0e69
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date: Thu Dec 3 23:52:11 2020 +0100
libphobos: Use raw byte sequence instead of xgetbv
Diff:
---
libphobos/libdruntime/core/cpuid.d | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libphobos/libdruntime/core/cpuid.d b/libphobos/libdruntime/core/cpuid.d
index 2ba13b55bf1..109fd3b9efc 100644
--- a/libphobos/libdruntime/core/cpuid.d
+++ b/libphobos/libdruntime/core/cpuid.d
@@ -771,7 +771,10 @@ void cpuidX86()
if (cf.miscfeatures & OSXSAVE_BIT)
{
version (GNU) asm pure nothrow @nogc {
- "xgetbv" : "=a" (a), "=d" (d) : "c" (0);
+ /* Old assemblers do not recognize xgetbv, and there is no easy way
+ * to conditionally compile based on the assembler used, so use the
+ * raw .byte sequence instead. */
+ ".byte 0x0f, 0x01, 0xd0" : "=a" (a), "=d" (d) : "c" (0);
} else asm pure nothrow @nogc {
mov ECX, 0;
xgetbv;
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/users/ibuclaw/heads/darwin)] libphobos: Use raw byte sequence instead of xgetbv
@ 2020-12-05 23:47 Iain Buclaw
0 siblings, 0 replies; 7+ messages in thread
From: Iain Buclaw @ 2020-12-05 23:47 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:5c171092c78b616f22412720dc68259d541383e0
commit 5c171092c78b616f22412720dc68259d541383e0
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date: Thu Dec 3 23:52:11 2020 +0100
libphobos: Use raw byte sequence instead of xgetbv
Diff:
---
libphobos/libdruntime/core/cpuid.d | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libphobos/libdruntime/core/cpuid.d b/libphobos/libdruntime/core/cpuid.d
index 2ba13b55bf1..109fd3b9efc 100644
--- a/libphobos/libdruntime/core/cpuid.d
+++ b/libphobos/libdruntime/core/cpuid.d
@@ -771,7 +771,10 @@ void cpuidX86()
if (cf.miscfeatures & OSXSAVE_BIT)
{
version (GNU) asm pure nothrow @nogc {
- "xgetbv" : "=a" (a), "=d" (d) : "c" (0);
+ /* Old assemblers do not recognize xgetbv, and there is no easy way
+ * to conditionally compile based on the assembler used, so use the
+ * raw .byte sequence instead. */
+ ".byte 0x0f, 0x01, 0xd0" : "=a" (a), "=d" (d) : "c" (0);
} else asm pure nothrow @nogc {
mov ECX, 0;
xgetbv;
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/users/ibuclaw/heads/darwin)] libphobos: Use raw byte sequence instead of xgetbv
@ 2020-12-03 22:57 Iain Buclaw
0 siblings, 0 replies; 7+ messages in thread
From: Iain Buclaw @ 2020-12-03 22:57 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:ddb7a490fefffac1bf3456926d529ab4883c11aa
commit ddb7a490fefffac1bf3456926d529ab4883c11aa
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date: Thu Dec 3 23:52:11 2020 +0100
libphobos: Use raw byte sequence instead of xgetbv
Diff:
---
libphobos/libdruntime/core/cpuid.d | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libphobos/libdruntime/core/cpuid.d b/libphobos/libdruntime/core/cpuid.d
index 2ba13b55bf1..109fd3b9efc 100644
--- a/libphobos/libdruntime/core/cpuid.d
+++ b/libphobos/libdruntime/core/cpuid.d
@@ -771,7 +771,10 @@ void cpuidX86()
if (cf.miscfeatures & OSXSAVE_BIT)
{
version (GNU) asm pure nothrow @nogc {
- "xgetbv" : "=a" (a), "=d" (d) : "c" (0);
+ /* Old assemblers do not recognize xgetbv, and there is no easy way
+ * to conditionally compile based on the assembler used, so use the
+ * raw .byte sequence instead. */
+ ".byte 0x0f, 0x01, 0xd0" : "=a" (a), "=d" (d) : "c" (0);
} else asm pure nothrow @nogc {
mov ECX, 0;
xgetbv;
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2021-01-30 19:08 UTC | newest]
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2021-01-30 19:08 Iain Buclaw
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2020-12-22 13:40 Iain Buclaw
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2020-12-05 23:47 Iain Buclaw
2020-12-03 22:57 Iain Buclaw
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