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* [gcc(refs/vendors/vrull/heads/for-upstream)] RISC-V: Use .p2align for code-alignment
@ 2022-11-15 15:00 Philipp Tomsich
0 siblings, 0 replies; 7+ messages in thread
From: Philipp Tomsich @ 2022-11-15 15:00 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:4c3df1ee1d9f3f1bfbb8e2527b70f229beda0f1f
commit 4c3df1ee1d9f3f1bfbb8e2527b70f229beda0f1f
Author: Philipp Tomsich <philipp.tomsich@vrull.eu>
Date: Wed Mar 16 22:28:11 2022 +0100
RISC-V: Use .p2align for code-alignment
RISC-V's .p2align (currently) ignores the max-skip argument. As we
have experimental patches underway to address this in a
backwards-compatible manner, let's prepare GCC for the day when
binutils gets updated.
gcc/ChangeLog:
* config/riscv/riscv.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Implement.
Series-to: gcc-patches@gcc.gnu.org
Series-cc: Palmer Dabbelt <palmer@rivosinc.com>
Series-cc: Vineet Gupta <vineetg@rivosinc.com>
Series-cc: Christoph Muellner <christoph.muellner@vrull.eu>
Series-cc: Kito Cheng <kito.cheng@gmail.com>
Series-cc: Jeff Law <jlaw@ventanamicro.com>
Diff:
---
gcc/config/riscv/riscv.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h
index 2d0d170645c3..c216173cf6ba 100644
--- a/gcc/config/riscv/riscv.h
+++ b/gcc/config/riscv/riscv.h
@@ -938,6 +938,24 @@ typedef struct {
fprintf (STREAM, "\t.word\t%sL%d-%sL%d\n", \
LOCAL_LABEL_PREFIX, VALUE, LOCAL_LABEL_PREFIX, REL)
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+/* Support for -falign-* switches. Use .p2align to ensure that code
+ sections are padded with NOP instructions, rather than zeros. */
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
+ do \
+ { \
+ if ((LOG) != 0) \
+ { \
+ if ((MAX_SKIP) == 0) \
+ fprintf ((FILE), "\t.p2align %d\n", (int) (LOG)); \
+ else \
+ fprintf ((FILE), "\t.p2align %d,,%d\n", \
+ (int) (LOG), (int) (MAX_SKIP)); \
+ } \
+ } while (0)
+
+#endif /* HAVE_GAS_MAX_SKIP_P2ALIGN */
+
/* This is how to output an assembler line
that says to advance the location counter
to a multiple of 2**LOG bytes. */
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/vendors/vrull/heads/for-upstream)] RISC-V: Use .p2align for code-alignment
@ 2022-12-01 13:23 Philipp Tomsich
0 siblings, 0 replies; 7+ messages in thread
From: Philipp Tomsich @ 2022-12-01 13:23 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:c16304af81ddb120cb04cbb3abce9493116422f7
commit c16304af81ddb120cb04cbb3abce9493116422f7
Author: Philipp Tomsich <philipp.tomsich@vrull.eu>
Date: Wed Mar 16 22:28:11 2022 +0100
RISC-V: Use .p2align for code-alignment
RISC-V's .p2align (currently) ignores the max-skip argument. As we
have experimental patches underway to address this in a
backwards-compatible manner, let's prepare GCC for the day when
binutils gets updated.
gcc/ChangeLog:
* config/riscv/riscv.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Implement.
Series-to: gcc-patches@gcc.gnu.org
Series-cc: Palmer Dabbelt <palmer@rivosinc.com>
Series-cc: Vineet Gupta <vineetg@rivosinc.com>
Series-cc: Christoph Muellner <christoph.muellner@vrull.eu>
Series-cc: Kito Cheng <kito.cheng@gmail.com>
Series-cc: Jeff Law <jlaw@ventanamicro.com>
Diff:
---
gcc/config/riscv/riscv.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h
index b05c3c1545c..d3034b7967e 100644
--- a/gcc/config/riscv/riscv.h
+++ b/gcc/config/riscv/riscv.h
@@ -946,6 +946,24 @@ typedef struct {
fprintf (STREAM, "\t.word\t%sL%d-%sL%d\n", \
LOCAL_LABEL_PREFIX, VALUE, LOCAL_LABEL_PREFIX, REL)
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+/* Support for -falign-* switches. Use .p2align to ensure that code
+ sections are padded with NOP instructions, rather than zeros. */
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
+ do \
+ { \
+ if ((LOG) != 0) \
+ { \
+ if ((MAX_SKIP) == 0) \
+ fprintf ((FILE), "\t.p2align %d\n", (int) (LOG)); \
+ else \
+ fprintf ((FILE), "\t.p2align %d,,%d\n", \
+ (int) (LOG), (int) (MAX_SKIP)); \
+ } \
+ } while (0)
+
+#endif /* HAVE_GAS_MAX_SKIP_P2ALIGN */
+
/* This is how to output an assembler line
that says to advance the location counter
to a multiple of 2**LOG bytes. */
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/vendors/vrull/heads/for-upstream)] RISC-V: Use .p2align for code-alignment
@ 2022-11-18 20:26 Philipp Tomsich
0 siblings, 0 replies; 7+ messages in thread
From: Philipp Tomsich @ 2022-11-18 20:26 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:f4fca6ac73d37d0da0b09bfeb8a0c8cade54bee3
commit f4fca6ac73d37d0da0b09bfeb8a0c8cade54bee3
Author: Philipp Tomsich <philipp.tomsich@vrull.eu>
Date: Wed Mar 16 22:28:11 2022 +0100
RISC-V: Use .p2align for code-alignment
RISC-V's .p2align (currently) ignores the max-skip argument. As we
have experimental patches underway to address this in a
backwards-compatible manner, let's prepare GCC for the day when
binutils gets updated.
gcc/ChangeLog:
* config/riscv/riscv.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Implement.
Series-to: gcc-patches@gcc.gnu.org
Series-cc: Palmer Dabbelt <palmer@rivosinc.com>
Series-cc: Vineet Gupta <vineetg@rivosinc.com>
Series-cc: Christoph Muellner <christoph.muellner@vrull.eu>
Series-cc: Kito Cheng <kito.cheng@gmail.com>
Series-cc: Jeff Law <jlaw@ventanamicro.com>
Diff:
---
gcc/config/riscv/riscv.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h
index b05c3c1545c..d3034b7967e 100644
--- a/gcc/config/riscv/riscv.h
+++ b/gcc/config/riscv/riscv.h
@@ -946,6 +946,24 @@ typedef struct {
fprintf (STREAM, "\t.word\t%sL%d-%sL%d\n", \
LOCAL_LABEL_PREFIX, VALUE, LOCAL_LABEL_PREFIX, REL)
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+/* Support for -falign-* switches. Use .p2align to ensure that code
+ sections are padded with NOP instructions, rather than zeros. */
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
+ do \
+ { \
+ if ((LOG) != 0) \
+ { \
+ if ((MAX_SKIP) == 0) \
+ fprintf ((FILE), "\t.p2align %d\n", (int) (LOG)); \
+ else \
+ fprintf ((FILE), "\t.p2align %d,,%d\n", \
+ (int) (LOG), (int) (MAX_SKIP)); \
+ } \
+ } while (0)
+
+#endif /* HAVE_GAS_MAX_SKIP_P2ALIGN */
+
/* This is how to output an assembler line
that says to advance the location counter
to a multiple of 2**LOG bytes. */
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/vendors/vrull/heads/for-upstream)] RISC-V: Use .p2align for code-alignment
@ 2022-11-18 20:23 Philipp Tomsich
0 siblings, 0 replies; 7+ messages in thread
From: Philipp Tomsich @ 2022-11-18 20:23 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:f70942875929729f45f9a5e86a2130e1125547a3
commit f70942875929729f45f9a5e86a2130e1125547a3
Author: Philipp Tomsich <philipp.tomsich@vrull.eu>
Date: Wed Mar 16 22:28:11 2022 +0100
RISC-V: Use .p2align for code-alignment
RISC-V's .p2align (currently) ignores the max-skip argument. As we
have experimental patches underway to address this in a
backwards-compatible manner, let's prepare GCC for the day when
binutils gets updated.
gcc/ChangeLog:
* config/riscv/riscv.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Implement.
Series-to: gcc-patches@gcc.gnu.org
Series-cc: Palmer Dabbelt <palmer@rivosinc.com>
Series-cc: Vineet Gupta <vineetg@rivosinc.com>
Series-cc: Christoph Muellner <christoph.muellner@vrull.eu>
Series-cc: Kito Cheng <kito.cheng@gmail.com>
Series-cc: Jeff Law <jlaw@ventanamicro.com>
Diff:
---
gcc/config/riscv/riscv.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h
index b05c3c1545c..d3034b7967e 100644
--- a/gcc/config/riscv/riscv.h
+++ b/gcc/config/riscv/riscv.h
@@ -946,6 +946,24 @@ typedef struct {
fprintf (STREAM, "\t.word\t%sL%d-%sL%d\n", \
LOCAL_LABEL_PREFIX, VALUE, LOCAL_LABEL_PREFIX, REL)
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+/* Support for -falign-* switches. Use .p2align to ensure that code
+ sections are padded with NOP instructions, rather than zeros. */
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
+ do \
+ { \
+ if ((LOG) != 0) \
+ { \
+ if ((MAX_SKIP) == 0) \
+ fprintf ((FILE), "\t.p2align %d\n", (int) (LOG)); \
+ else \
+ fprintf ((FILE), "\t.p2align %d,,%d\n", \
+ (int) (LOG), (int) (MAX_SKIP)); \
+ } \
+ } while (0)
+
+#endif /* HAVE_GAS_MAX_SKIP_P2ALIGN */
+
/* This is how to output an assembler line
that says to advance the location counter
to a multiple of 2**LOG bytes. */
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/vendors/vrull/heads/for-upstream)] RISC-V: Use .p2align for code-alignment
@ 2022-11-18 11:35 Philipp Tomsich
0 siblings, 0 replies; 7+ messages in thread
From: Philipp Tomsich @ 2022-11-18 11:35 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:7bd124d7d1d8ce3c35680f5aaf6502c57365861a
commit 7bd124d7d1d8ce3c35680f5aaf6502c57365861a
Author: Philipp Tomsich <philipp.tomsich@vrull.eu>
Date: Wed Mar 16 22:28:11 2022 +0100
RISC-V: Use .p2align for code-alignment
RISC-V's .p2align (currently) ignores the max-skip argument. As we
have experimental patches underway to address this in a
backwards-compatible manner, let's prepare GCC for the day when
binutils gets updated.
gcc/ChangeLog:
* config/riscv/riscv.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Implement.
Series-to: gcc-patches@gcc.gnu.org
Series-cc: Palmer Dabbelt <palmer@rivosinc.com>
Series-cc: Vineet Gupta <vineetg@rivosinc.com>
Series-cc: Christoph Muellner <christoph.muellner@vrull.eu>
Series-cc: Kito Cheng <kito.cheng@gmail.com>
Series-cc: Jeff Law <jlaw@ventanamicro.com>
Diff:
---
gcc/config/riscv/riscv.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h
index b05c3c1545c..d3034b7967e 100644
--- a/gcc/config/riscv/riscv.h
+++ b/gcc/config/riscv/riscv.h
@@ -946,6 +946,24 @@ typedef struct {
fprintf (STREAM, "\t.word\t%sL%d-%sL%d\n", \
LOCAL_LABEL_PREFIX, VALUE, LOCAL_LABEL_PREFIX, REL)
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+/* Support for -falign-* switches. Use .p2align to ensure that code
+ sections are padded with NOP instructions, rather than zeros. */
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
+ do \
+ { \
+ if ((LOG) != 0) \
+ { \
+ if ((MAX_SKIP) == 0) \
+ fprintf ((FILE), "\t.p2align %d\n", (int) (LOG)); \
+ else \
+ fprintf ((FILE), "\t.p2align %d,,%d\n", \
+ (int) (LOG), (int) (MAX_SKIP)); \
+ } \
+ } while (0)
+
+#endif /* HAVE_GAS_MAX_SKIP_P2ALIGN */
+
/* This is how to output an assembler line
that says to advance the location counter
to a multiple of 2**LOG bytes. */
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/vendors/vrull/heads/for-upstream)] RISC-V: Use .p2align for code-alignment
@ 2022-11-17 22:26 Philipp Tomsich
0 siblings, 0 replies; 7+ messages in thread
From: Philipp Tomsich @ 2022-11-17 22:26 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:b988c88f53490e7e719535c926abefdcc3ae11c5
commit b988c88f53490e7e719535c926abefdcc3ae11c5
Author: Philipp Tomsich <philipp.tomsich@vrull.eu>
Date: Wed Mar 16 22:28:11 2022 +0100
RISC-V: Use .p2align for code-alignment
RISC-V's .p2align (currently) ignores the max-skip argument. As we
have experimental patches underway to address this in a
backwards-compatible manner, let's prepare GCC for the day when
binutils gets updated.
gcc/ChangeLog:
* config/riscv/riscv.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Implement.
Series-to: gcc-patches@gcc.gnu.org
Series-cc: Palmer Dabbelt <palmer@rivosinc.com>
Series-cc: Vineet Gupta <vineetg@rivosinc.com>
Series-cc: Christoph Muellner <christoph.muellner@vrull.eu>
Series-cc: Kito Cheng <kito.cheng@gmail.com>
Series-cc: Jeff Law <jlaw@ventanamicro.com>
Diff:
---
gcc/config/riscv/riscv.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h
index 2d0d170645c..c216173cf6b 100644
--- a/gcc/config/riscv/riscv.h
+++ b/gcc/config/riscv/riscv.h
@@ -938,6 +938,24 @@ typedef struct {
fprintf (STREAM, "\t.word\t%sL%d-%sL%d\n", \
LOCAL_LABEL_PREFIX, VALUE, LOCAL_LABEL_PREFIX, REL)
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+/* Support for -falign-* switches. Use .p2align to ensure that code
+ sections are padded with NOP instructions, rather than zeros. */
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
+ do \
+ { \
+ if ((LOG) != 0) \
+ { \
+ if ((MAX_SKIP) == 0) \
+ fprintf ((FILE), "\t.p2align %d\n", (int) (LOG)); \
+ else \
+ fprintf ((FILE), "\t.p2align %d,,%d\n", \
+ (int) (LOG), (int) (MAX_SKIP)); \
+ } \
+ } while (0)
+
+#endif /* HAVE_GAS_MAX_SKIP_P2ALIGN */
+
/* This is how to output an assembler line
that says to advance the location counter
to a multiple of 2**LOG bytes. */
^ permalink raw reply [flat|nested] 7+ messages in thread
* [gcc(refs/vendors/vrull/heads/for-upstream)] RISC-V: Use .p2align for code-alignment
@ 2022-11-15 14:02 Philipp Tomsich
0 siblings, 0 replies; 7+ messages in thread
From: Philipp Tomsich @ 2022-11-15 14:02 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:af343f9c6f43946c893758055340667adb7be8f2
commit af343f9c6f43946c893758055340667adb7be8f2
Author: Philipp Tomsich <philipp.tomsich@vrull.eu>
Date: Wed Mar 16 22:28:11 2022 +0100
RISC-V: Use .p2align for code-alignment
RISC-V's .p2align (currently) ignores the max-skip argument. As we
have experimental patches underway to address this in a
backwards-compatible manner, let's prepare GCC for the day when
binutils gets updated.
gcc/ChangeLog:
* config/riscv/riscv.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Implement.
Series-to: gcc-patches@gcc.gnu.org
Series-cc: Palmer Dabbelt <palmer@rivosinc.com>
Series-cc: Vineet Gupta <vineetg@rivosinc.com>
Series-cc: Christoph Muellner <christoph.muellner@vrull.eu>
Series-cc: Kito Cheng <kito.cheng@gmail.com>
Series-cc: Jeff Law <jlaw@ventanamicro.com>
Diff:
---
gcc/config/riscv/riscv.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h
index 2d0d170645c..c216173cf6b 100644
--- a/gcc/config/riscv/riscv.h
+++ b/gcc/config/riscv/riscv.h
@@ -938,6 +938,24 @@ typedef struct {
fprintf (STREAM, "\t.word\t%sL%d-%sL%d\n", \
LOCAL_LABEL_PREFIX, VALUE, LOCAL_LABEL_PREFIX, REL)
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+/* Support for -falign-* switches. Use .p2align to ensure that code
+ sections are padded with NOP instructions, rather than zeros. */
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
+ do \
+ { \
+ if ((LOG) != 0) \
+ { \
+ if ((MAX_SKIP) == 0) \
+ fprintf ((FILE), "\t.p2align %d\n", (int) (LOG)); \
+ else \
+ fprintf ((FILE), "\t.p2align %d,,%d\n", \
+ (int) (LOG), (int) (MAX_SKIP)); \
+ } \
+ } while (0)
+
+#endif /* HAVE_GAS_MAX_SKIP_P2ALIGN */
+
/* This is how to output an assembler line
that says to advance the location counter
to a multiple of 2**LOG bytes. */
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2022-12-01 13:23 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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