* [PATCH, Testsuite] Add new effective target arm_prefer_ldrd_strd
@ 2012-10-10 14:28 Greta Yorsh
2012-10-18 18:15 ` [PING][PATCH, " Greta Yorsh
0 siblings, 1 reply; 3+ messages in thread
From: Greta Yorsh @ 2012-10-10 14:28 UTC (permalink / raw)
To: GCC Patches
Cc: Ramana Radhakrishnan, Richard Earnshaw, nickc, paul, Greta Yorsh,
mikestump, ro, janisjo
[-- Attachment #1: Type: text/plain, Size: 582 bytes --]
In the testsuite, distinguish between arm targets that prefer LDRD/STRD and
arm targets that prefer LDM/STM. This patch adds a new effective target test
and updates documentation accordingly.
Ok for trunk?
Thanks,
Greta
ChangeLog
gcc/testsuite/
2012-09-13 Greta Yorsh <Greta.Yorsh@arm.com>
* gcc.target/arm/target-supports.exp
(check_effective_target_arm_prefer_ldrd_strd): New procedure.
gcc/
2012-09-13 Greta Yorsh <Greta.Yorsh@arm.com>
* doc/sourcebuild.texi: Document new effective target keyword
arm_prefer_ldrd_strd.
[-- Attachment #2: target_support_arm_prefer_ldrd_strd.patch.txt --]
[-- Type: text/plain, Size: 1406 bytes --]
diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index 055567b..b80ee02 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -1552,6 +1552,11 @@ ARM target generates Thumb-2 code for @code{-mthumb}.
@item arm_vfp_ok
ARM target supports @code{-mfpu=vfp -mfloat-abi=softfp}.
Some multilibs may be incompatible with these options.
+
+@item arm_prefer_ldrd_strd
+ARM target prefers @code{LDRD} and @code{STRD} instructions over
+@code{LDM} and @code{STM} instructions.
+
@end table
@subsubsection MIPS-specific attributes
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 8f793b7..4bf2424 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -2462,6 +2462,18 @@ proc check_effective_target_arm_iwmmxt_ok { } {
}
}
+# Return true if LDRD/STRD instructions are prefered over LDM/STM instructions
+# for an ARM target.
+proc check_effective_target_arm_prefer_ldrd_strd { } {
+ if { ![check_effective_target_arm32] } {
+ return 0;
+ }
+
+ return [check_no_messages_and_pattern arm_prefer_ldrd_strd "strd\tr" assembly {
+ void foo (int *p) { p[0] = 1; p[1] = 0;}
+ } "-O2 -mthumb" ]
+}
+
# Return 1 if this is a PowerPC target with floating-point registers.
proc check_effective_target_powerpc_fprs { } {
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PING][PATCH, Testsuite] Add new effective target arm_prefer_ldrd_strd
2012-10-10 14:28 [PATCH, Testsuite] Add new effective target arm_prefer_ldrd_strd Greta Yorsh
@ 2012-10-18 18:15 ` Greta Yorsh
2012-10-18 21:06 ` Mike Stump
0 siblings, 1 reply; 3+ messages in thread
From: Greta Yorsh @ 2012-10-18 18:15 UTC (permalink / raw)
To: Greta Yorsh, GCC Patches
Cc: Ramana Radhakrishnan, Richard Earnshaw, nickc, paul, mikestump,
ro, janisjo
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Ping! Thanks.
-----Original Message-----
From: Greta Yorsh [mailto:greta.yorsh@arm.com]
Sent: 10 October 2012 15:28
To: GCC Patches
Cc: Ramana Radhakrishnan; Richard Earnshaw; nickc@redhat.com; paul@codesourcery.com; Greta Yorsh; mikestump@comcast.net; ro@CeBiTec.Uni-Bielefeld.DE; janisjo@codesourcery.com
Subject: [PATCH, Testsuite] Add new effective target arm_prefer_ldrd_strd
In the testsuite, distinguish between arm targets that prefer LDRD/STRD and
arm targets that prefer LDM/STM. This patch adds a new effective target test
and updates documentation accordingly.
Ok for trunk?
Thanks,
Greta
ChangeLog
gcc/testsuite/
2012-09-13 Greta Yorsh <Greta.Yorsh@arm.com>
* gcc.target/arm/target-supports.exp
(check_effective_target_arm_prefer_ldrd_strd): New procedure.
gcc/
2012-09-13 Greta Yorsh <Greta.Yorsh@arm.com>
* doc/sourcebuild.texi: Document new effective target keyword
arm_prefer_ldrd_strd.
[-- Attachment #2: target_support_arm_prefer_ldrd_strd.patch.txt --]
[-- Type: text/plain, Size: 1404 bytes --]
diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index 055567b..b80ee02 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -1552,6 +1552,11 @@ ARM target generates Thumb-2 code for @code{-mthumb}.
@item arm_vfp_ok
ARM target supports @code{-mfpu=vfp -mfloat-abi=softfp}.
Some multilibs may be incompatible with these options.
+
+@item arm_prefer_ldrd_strd
+ARM target prefers @code{LDRD} and @code{STRD} instructions over
+@code{LDM} and @code{STM} instructions.
+
@end table
@subsubsection MIPS-specific attributes
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 8f793b7..4bf2424 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -2462,6 +2462,18 @@ proc check_effective_target_arm_iwmmxt_ok { } {
}
}
+# Return true if LDRD/STRD instructions are prefered over LDM/STM instructions
+# for an ARM target.
+proc check_effective_target_arm_prefer_ldrd_strd { } {
+ if { ![check_effective_target_arm32] } {
+ return 0;
+ }
+
+ return [check_no_messages_and_pattern arm_prefer_ldrd_strd "strd\tr" assembly {
+ void foo (int *p) { p[0] = 1; p[1] = 0;}
+ } "-O2 -mthumb" ]
+}
+
# Return 1 if this is a PowerPC target with floating-point registers.
proc check_effective_target_powerpc_fprs { } {
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PING][PATCH, Testsuite] Add new effective target arm_prefer_ldrd_strd
2012-10-18 18:15 ` [PING][PATCH, " Greta Yorsh
@ 2012-10-18 21:06 ` Mike Stump
0 siblings, 0 replies; 3+ messages in thread
From: Mike Stump @ 2012-10-18 21:06 UTC (permalink / raw)
To: Greta Yorsh
Cc: GCC Patches, Ramana Radhakrishnan, Richard Earnshaw, nickc, paul,
ro, janisjo
On Oct 18, 2012, at 10:39 AM, Greta Yorsh <Greta.Yorsh@arm.com> wrote:
> Ping! Thanks.
>
> -----Original Message-----
> From: Greta Yorsh [mailto:greta.yorsh@arm.com]
> Sent: 10 October 2012 15:28
> To: GCC Patches
> Cc: Ramana Radhakrishnan; Richard Earnshaw; nickc@redhat.com; paul@codesourcery.com; Greta Yorsh; mikestump@comcast.net; ro@CeBiTec.Uni-Bielefeld.DE; janisjo@codesourcery.com
> Subject: [PATCH, Testsuite] Add new effective target arm_prefer_ldrd_strd
>
> In the testsuite, distinguish between arm targets that prefer LDRD/STRD and
> arm targets that prefer LDM/STM. This patch adds a new effective target test
> and updates documentation accordingly.
>
> Ok for trunk?
I'd prefer arm people made the call, but 8 days is enough of a black hole, so… Ok.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2012-10-18 21:06 ` Mike Stump
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