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* [gcc(refs/users/segher/heads/cc0)] emit-rtl: Delete more CC0 stuff
@ 2020-06-15 19:24 Segher Boessenkool
0 siblings, 0 replies; 4+ messages in thread
From: Segher Boessenkool @ 2020-06-15 19:24 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:fa6327261519e23dd00014a796961856d77f1299
commit fa6327261519e23dd00014a796961856d77f1299
Author: Segher Boessenkool <segher@kernel.crashing.org>
Date: Sun Sep 22 21:59:42 2019 +0000
emit-rtl: Delete more CC0 stuff
Diff:
---
gcc/emit-rtl.c | 47 +++--------------------------------------------
gcc/rtl.h | 2 --
2 files changed, 3 insertions(+), 46 deletions(-)
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 60d8328cf5d..47e7cfc187f 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -2852,7 +2852,7 @@ verify_rtx_sharing (rtx orig, rtx insn)
/* SCRATCH must be shared because they represent distinct values. */
return;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (x, 0))
@@ -3104,7 +3104,7 @@ repeat:
/* SCRATCH must be shared because they represent distinct values. */
return;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (x, 0))
@@ -3713,47 +3713,6 @@ prev_active_insn (rtx_insn *insn)
return insn;
}
\f
-/* Return the next insn that uses CC0 after INSN, which is assumed to
- set it. This is the inverse of prev_cc0_setter (i.e., prev_cc0_setter
- applied to the result of this function should yield INSN).
-
- Normally, this is simply the next insn. However, if a REG_CC_USER note
- is present, it contains the insn that uses CC0.
-
- Return 0 if we can't find the insn. */
-
-rtx_insn *
-next_cc0_user (rtx_insn *insn)
-{
- rtx note = find_reg_note (insn, REG_CC_USER, NULL_RTX);
-
- if (note)
- return safe_as_a <rtx_insn *> (XEXP (note, 0));
-
- insn = next_nonnote_insn (insn);
- if (insn && NONJUMP_INSN_P (insn) && GET_CODE (PATTERN (insn)) == SEQUENCE)
- insn = as_a <rtx_sequence *> (PATTERN (insn))->insn (0);
-
- return 0;
-}
-
-/* Find the insn that set CC0 for INSN. Unless INSN has a REG_CC_SETTER
- note, it is the previous insn. */
-
-rtx_insn *
-prev_cc0_setter (rtx_insn *insn)
-{
- rtx note = find_reg_note (insn, REG_CC_SETTER, NULL_RTX);
-
- if (note)
- return safe_as_a <rtx_insn *> (XEXP (note, 0));
-
- insn = prev_nonnote_insn (insn);
- gcc_assert (sets_cc0_p (PATTERN (insn)));
-
- return insn;
-}
-
/* Find a RTX_AUTOINC class rtx which matches DATA. */
static int
@@ -5672,7 +5631,7 @@ copy_insn_1 (rtx orig)
case SIMPLE_RETURN:
return orig;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (orig, 0))
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 5aa760da68b..a416d9d74f1 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -3335,8 +3335,6 @@ extern rtx_insn *next_real_nondebug_insn (rtx);
extern rtx_insn *prev_active_insn (rtx_insn *);
extern rtx_insn *next_active_insn (rtx_insn *);
extern int active_insn_p (const rtx_insn *);
-extern rtx_insn *next_cc0_user (rtx_insn *);
-extern rtx_insn *prev_cc0_setter (rtx_insn *);
/* In emit-rtl.c */
extern int insn_line (const rtx_insn *);
^ permalink raw reply [flat|nested] 4+ messages in thread
* [gcc(refs/users/segher/heads/cc0)] emit-rtl: Delete more CC0 stuff
@ 2020-12-15 17:04 Segher Boessenkool
0 siblings, 0 replies; 4+ messages in thread
From: Segher Boessenkool @ 2020-12-15 17:04 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:f9d006feb6a003860e392581818c7b4263c67cc7
commit f9d006feb6a003860e392581818c7b4263c67cc7
Author: Segher Boessenkool <segher@kernel.crashing.org>
Date: Sun Sep 22 21:59:42 2019 +0000
emit-rtl: Delete more CC0 stuff
Diff:
---
gcc/emit-rtl.c | 47 +++--------------------------------------------
gcc/rtl.h | 2 --
2 files changed, 3 insertions(+), 46 deletions(-)
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index ad219bc4fef..08ef436b651 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -2852,7 +2852,7 @@ verify_rtx_sharing (rtx orig, rtx insn)
/* SCRATCH must be shared because they represent distinct values. */
return;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (x, 0))
@@ -3104,7 +3104,7 @@ repeat:
/* SCRATCH must be shared because they represent distinct values. */
return;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (x, 0))
@@ -3713,47 +3713,6 @@ prev_active_insn (rtx_insn *insn)
return insn;
}
\f
-/* Return the next insn that uses CC0 after INSN, which is assumed to
- set it. This is the inverse of prev_cc0_setter (i.e., prev_cc0_setter
- applied to the result of this function should yield INSN).
-
- Normally, this is simply the next insn. However, if a REG_CC_USER note
- is present, it contains the insn that uses CC0.
-
- Return 0 if we can't find the insn. */
-
-rtx_insn *
-next_cc0_user (rtx_insn *insn)
-{
- rtx note = find_reg_note (insn, REG_CC_USER, NULL_RTX);
-
- if (note)
- return safe_as_a <rtx_insn *> (XEXP (note, 0));
-
- insn = next_nonnote_insn (insn);
- if (insn && NONJUMP_INSN_P (insn) && GET_CODE (PATTERN (insn)) == SEQUENCE)
- insn = as_a <rtx_sequence *> (PATTERN (insn))->insn (0);
-
- return 0;
-}
-
-/* Find the insn that set CC0 for INSN. Unless INSN has a REG_CC_SETTER
- note, it is the previous insn. */
-
-rtx_insn *
-prev_cc0_setter (rtx_insn *insn)
-{
- rtx note = find_reg_note (insn, REG_CC_SETTER, NULL_RTX);
-
- if (note)
- return safe_as_a <rtx_insn *> (XEXP (note, 0));
-
- insn = prev_nonnote_insn (insn);
- gcc_assert (sets_cc0_p (PATTERN (insn)));
-
- return insn;
-}
-
/* Find a RTX_AUTOINC class rtx which matches DATA. */
static int
@@ -5683,7 +5642,7 @@ copy_insn_1 (rtx orig)
case SIMPLE_RETURN:
return orig;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (orig, 0))
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 30c85cd79c5..816ec574439 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -3335,8 +3335,6 @@ extern rtx_insn *next_real_nondebug_insn (rtx);
extern rtx_insn *prev_active_insn (rtx_insn *);
extern rtx_insn *next_active_insn (rtx_insn *);
extern int active_insn_p (const rtx_insn *);
-extern rtx_insn *next_cc0_user (rtx_insn *);
-extern rtx_insn *prev_cc0_setter (rtx_insn *);
/* In emit-rtl.c */
extern int insn_line (const rtx_insn *);
^ permalink raw reply [flat|nested] 4+ messages in thread
* [gcc(refs/users/segher/heads/cc0)] emit-rtl: Delete more CC0 stuff
@ 2020-12-15 15:51 Segher Boessenkool
0 siblings, 0 replies; 4+ messages in thread
From: Segher Boessenkool @ 2020-12-15 15:51 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:71e026526a0f92c6c646dd9763c5eff9eec9c575
commit 71e026526a0f92c6c646dd9763c5eff9eec9c575
Author: Segher Boessenkool <segher@kernel.crashing.org>
Date: Sun Sep 22 21:59:42 2019 +0000
emit-rtl: Delete more CC0 stuff
Diff:
---
gcc/emit-rtl.c | 47 +++--------------------------------------------
gcc/rtl.h | 2 --
2 files changed, 3 insertions(+), 46 deletions(-)
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index ad219bc4fef..08ef436b651 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -2852,7 +2852,7 @@ verify_rtx_sharing (rtx orig, rtx insn)
/* SCRATCH must be shared because they represent distinct values. */
return;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (x, 0))
@@ -3104,7 +3104,7 @@ repeat:
/* SCRATCH must be shared because they represent distinct values. */
return;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (x, 0))
@@ -3713,47 +3713,6 @@ prev_active_insn (rtx_insn *insn)
return insn;
}
\f
-/* Return the next insn that uses CC0 after INSN, which is assumed to
- set it. This is the inverse of prev_cc0_setter (i.e., prev_cc0_setter
- applied to the result of this function should yield INSN).
-
- Normally, this is simply the next insn. However, if a REG_CC_USER note
- is present, it contains the insn that uses CC0.
-
- Return 0 if we can't find the insn. */
-
-rtx_insn *
-next_cc0_user (rtx_insn *insn)
-{
- rtx note = find_reg_note (insn, REG_CC_USER, NULL_RTX);
-
- if (note)
- return safe_as_a <rtx_insn *> (XEXP (note, 0));
-
- insn = next_nonnote_insn (insn);
- if (insn && NONJUMP_INSN_P (insn) && GET_CODE (PATTERN (insn)) == SEQUENCE)
- insn = as_a <rtx_sequence *> (PATTERN (insn))->insn (0);
-
- return 0;
-}
-
-/* Find the insn that set CC0 for INSN. Unless INSN has a REG_CC_SETTER
- note, it is the previous insn. */
-
-rtx_insn *
-prev_cc0_setter (rtx_insn *insn)
-{
- rtx note = find_reg_note (insn, REG_CC_SETTER, NULL_RTX);
-
- if (note)
- return safe_as_a <rtx_insn *> (XEXP (note, 0));
-
- insn = prev_nonnote_insn (insn);
- gcc_assert (sets_cc0_p (PATTERN (insn)));
-
- return insn;
-}
-
/* Find a RTX_AUTOINC class rtx which matches DATA. */
static int
@@ -5683,7 +5642,7 @@ copy_insn_1 (rtx orig)
case SIMPLE_RETURN:
return orig;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (orig, 0))
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 30c85cd79c5..816ec574439 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -3335,8 +3335,6 @@ extern rtx_insn *next_real_nondebug_insn (rtx);
extern rtx_insn *prev_active_insn (rtx_insn *);
extern rtx_insn *next_active_insn (rtx_insn *);
extern int active_insn_p (const rtx_insn *);
-extern rtx_insn *next_cc0_user (rtx_insn *);
-extern rtx_insn *prev_cc0_setter (rtx_insn *);
/* In emit-rtl.c */
extern int insn_line (const rtx_insn *);
^ permalink raw reply [flat|nested] 4+ messages in thread
* [gcc(refs/users/segher/heads/cc0)] emit-rtl: Delete more CC0 stuff
@ 2020-02-04 21:55 Segher Boessenkool
0 siblings, 0 replies; 4+ messages in thread
From: Segher Boessenkool @ 2020-02-04 21:55 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:71f9978c8e6d2964224d15395017f5fa3e51a1d3
commit 71f9978c8e6d2964224d15395017f5fa3e51a1d3
Author: Segher Boessenkool <segher@kernel.crashing.org>
Date: Sun Sep 22 21:59:42 2019 +0000
emit-rtl: Delete more CC0 stuff
Diff:
---
gcc/emit-rtl.c | 47 +++--------------------------------------------
gcc/rtl.h | 2 --
2 files changed, 3 insertions(+), 46 deletions(-)
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index efa2634..c3c8b8d 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -2895,7 +2895,7 @@ verify_rtx_sharing (rtx orig, rtx insn)
/* SCRATCH must be shared because they represent distinct values. */
return;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (x, 0))
@@ -3147,7 +3147,7 @@ repeat:
/* SCRATCH must be shared because they represent distinct values. */
return;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (x, 0))
@@ -3756,47 +3756,6 @@ prev_active_insn (rtx_insn *insn)
return insn;
}
\f
-/* Return the next insn that uses CC0 after INSN, which is assumed to
- set it. This is the inverse of prev_cc0_setter (i.e., prev_cc0_setter
- applied to the result of this function should yield INSN).
-
- Normally, this is simply the next insn. However, if a REG_CC_USER note
- is present, it contains the insn that uses CC0.
-
- Return 0 if we can't find the insn. */
-
-rtx_insn *
-next_cc0_user (rtx_insn *insn)
-{
- rtx note = find_reg_note (insn, REG_CC_USER, NULL_RTX);
-
- if (note)
- return safe_as_a <rtx_insn *> (XEXP (note, 0));
-
- insn = next_nonnote_insn (insn);
- if (insn && NONJUMP_INSN_P (insn) && GET_CODE (PATTERN (insn)) == SEQUENCE)
- insn = as_a <rtx_sequence *> (PATTERN (insn))->insn (0);
-
- return 0;
-}
-
-/* Find the insn that set CC0 for INSN. Unless INSN has a REG_CC_SETTER
- note, it is the previous insn. */
-
-rtx_insn *
-prev_cc0_setter (rtx_insn *insn)
-{
- rtx note = find_reg_note (insn, REG_CC_SETTER, NULL_RTX);
-
- if (note)
- return safe_as_a <rtx_insn *> (XEXP (note, 0));
-
- insn = prev_nonnote_insn (insn);
- gcc_assert (sets_cc0_p (PATTERN (insn)));
-
- return insn;
-}
-
/* Find a RTX_AUTOINC class rtx which matches DATA. */
static int
@@ -5715,7 +5674,7 @@ copy_insn_1 (rtx orig)
case SIMPLE_RETURN:
return orig;
case CLOBBER:
- /* Share clobbers of hard registers (like cc0), but do not share pseudo reg
+ /* Share clobbers of hard registers, but do not share pseudo reg
clobbers or clobbers of hard registers that originated as pseudos.
This is needed to allow safe register renaming. */
if (REG_P (XEXP (orig, 0))
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 8d925eb..df20224 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -3334,8 +3334,6 @@ extern rtx_insn *next_real_nondebug_insn (rtx);
extern rtx_insn *prev_active_insn (rtx_insn *);
extern rtx_insn *next_active_insn (rtx_insn *);
extern int active_insn_p (const rtx_insn *);
-extern rtx_insn *next_cc0_user (rtx_insn *);
-extern rtx_insn *prev_cc0_setter (rtx_insn *);
/* In emit-rtl.c */
extern int insn_line (const rtx_insn *);
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2020-12-15 17:04 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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