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From: Michael Neuling <mikey@neuling.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <michael@ellerman.id.au>
Cc: mikey@neuling.org, linuxppc-dev@ozlabs.org,
	Anton Blanchard <anton@samba.org>,
	Olof Johannsson <olof@lixom.net>
Subject: [PATCH 5/15] powerpc: convert to %r for all GPR usage
Date: Fri, 08 Jun 2012 21:36:05 +1000	[thread overview]
Message-ID: <20120608113605.75BD5D43B26@localhost.localdomain> (raw)
In-Reply-To: <1339155365.316308.981577666228.qpush@ale>

Now all the fixes are in place, let's rock-n-roll!

Signed-off-by: Michael Neuling <mikey@neuling.org>
---

 arch/powerpc/include/asm/ppc_asm.h |   72 ++++++++++++++++++++-----------------
 1 file changed, 39 insertions(+), 33 deletions(-)

Index: clone3/arch/powerpc/include/asm/ppc_asm.h
===================================================================
--- clone3.orig/arch/powerpc/include/asm/ppc_asm.h
+++ clone3/arch/powerpc/include/asm/ppc_asm.h
@@ -490,40 +490,46 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 #define	cr7	7
 
 
-/* General Purpose Registers (GPRs) */
+/*
+ * General Purpose Registers (GPRs)
+ *
+ * The lower case r0-r31 should be used in preference to the upper
+ * case R0-R31 as they provide more error checking in the assembler.
+ * Use R0-31 only when really nessesary.
+ */
 
-#define	r0	0
-#define	r1	1
-#define	r2	2
-#define	r3	3
-#define	r4	4
-#define	r5	5
-#define	r6	6
-#define	r7	7
-#define	r8	8
-#define	r9	9
-#define	r10	10
-#define	r11	11
-#define	r12	12
-#define	r13	13
-#define	r14	14
-#define	r15	15
-#define	r16	16
-#define	r17	17
-#define	r18	18
-#define	r19	19
-#define	r20	20
-#define	r21	21
-#define	r22	22
-#define	r23	23
-#define	r24	24
-#define	r25	25
-#define	r26	26
-#define	r27	27
-#define	r28	28
-#define	r29	29
-#define	r30	30
-#define	r31	31
+#define	r0	%r0
+#define	r1	%r1
+#define	r2	%r2
+#define	r3	%r3
+#define	r4	%r4
+#define	r5	%r5
+#define	r6	%r6
+#define	r7	%r7
+#define	r8	%r8
+#define	r9	%r9
+#define	r10	%r10
+#define	r11	%r11
+#define	r12	%r12
+#define	r13	%r13
+#define	r14	%r14
+#define	r15	%r15
+#define	r16	%r16
+#define	r17	%r17
+#define	r18	%r18
+#define	r19	%r19
+#define	r20	%r20
+#define	r21	%r21
+#define	r22	%r22
+#define	r23	%r23
+#define	r24	%r24
+#define	r25	%r25
+#define	r26	%r26
+#define	r27	%r27
+#define	r28	%r28
+#define	r29	%r29
+#define	r30	%r30
+#define	r31	%r31
 
 #define	R0	0
 #define	R1	1

  parent reply	other threads:[~2012-06-08 11:36 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-04  7:58 [PATCH] powerpc: Optimise the 64bit optimised __clear_user Anton Blanchard
2012-06-04 13:12 ` Olof Johansson
2012-06-04 14:44   ` Kumar Gala
2012-06-05  2:02 ` Anton Blanchard
2012-06-06 16:40   ` Segher Boessenkool
2012-06-06 21:20     ` Benjamin Herrenschmidt
2012-06-07  6:05       ` Michael Neuling
2012-06-07  6:07         ` Michael Ellerman
2012-06-07  6:12           ` Michael Neuling
2012-06-07  6:18             ` Michael Ellerman
2012-06-07 23:52               ` [PATCH] powerpc: Fix sldi to take literal not register name Michael Neuling
2012-06-08  0:19                 ` Benjamin Herrenschmidt
2012-06-07  6:39         ` [PATCH] powerpc: Optimise the 64bit optimised __clear_user Benjamin Herrenschmidt
2012-06-07  8:41           ` David Laight
2012-06-08 11:36       ` [PATCH 0/15] powerpc: convert GPR usage to %r0-31 and R0-31 Michael Neuling
2012-06-08 11:36         ` [PATCH 11/15] powerpc: fix VSX macros so register names aren't wrapped Michael Neuling
2012-06-08 11:36         ` [PATCH 10/15] powerpc: fixes for instructions not using correct register naming Michael Neuling
2012-06-08 11:36         ` Michael Neuling [this message]
2012-06-08 21:54           ` [PATCH 5/15] powerpc: convert to %r for all GPR usage Jesse Larrew
2012-06-14  3:25             ` Michael Neuling
2012-06-14  6:50               ` Jesse Larrew
2012-06-08 11:36         ` [PATCH 2/15] powerpc: modify macro ready for %r0 register change Michael Neuling
2012-06-08 11:36         ` [PATCH 8/15] powerpc: change mtcrf to use real register names Michael Neuling
2012-06-08 11:36         ` [PATCH 13/15] powerpc: start using ___PPC_RA/B/S/T where necessary Michael Neuling
2012-06-08 11:36         ` [PATCH 3/15] powerpc: fix usage of register macros getting ready for %r0 change Michael Neuling
2012-06-08 11:36         ` [PATCH 7/15] powerpc: merge STK_REG/PARAM/FRAMESIZE Michael Neuling
2012-06-08 11:36         ` [PATCH 4/15] powerpc: Fix sldi to take literal not register name Michael Neuling
2012-06-08 11:36         ` [PATCH 14/15] powerpc: Introduce new __REG_R macros Michael Neuling
2012-06-08 11:36         ` [PATCH 15/15] powerpc: enforce usage of R0-R31 where possible Michael Neuling
2012-06-08 11:36         ` [PATCH 9/15] powerpc: change LOAD_REG_ADDR to use real register names Michael Neuling
2012-06-08 11:36         ` [PATCH 6/15] powerpc/pasemi: move lbz/stbciz to ppc-opcode.h Michael Neuling
2012-06-08 11:36         ` [PATCH 12/15] powerpc: introduce new ___PPC_RA/B/S/T macros Michael Neuling
2012-06-08 11:36         ` [PATCH 1/15] powerpc: Add defines for R0-R31 Michael Neuling
     [not found]         ` <20120608113605.80B73D43B2B__2857.47079547054$1339155968$gmane$org@localhost.localdomain>
2012-06-08 12:12           ` [PATCH 7/15] powerpc: merge STK_REG/PARAM/FRAMESIZE Andreas Schwab
     [not found]         ` <20120608113605.91B88D43B2F__24549.446340143$1339156128$gmane$org@localhost.localdomain>
2012-06-08 12:15           ` [PATCH 10/15] powerpc: fixes for instructions not using correct register naming Andreas Schwab
2012-06-08 22:42             ` Benjamin Herrenschmidt
2012-06-09  6:53               ` Andreas Schwab
2012-06-09  7:17                 ` Benjamin Herrenschmidt
2012-06-09  9:39                   ` Andreas Schwab
2012-06-14  6:15                     ` [PATCH 0/18] powerpc: convert GPR usage to %r0-31 and R0-31 Michael Neuling
2012-06-14  6:15                       ` [PATCH 1/18] powerpc: Add defines for R0-R31 Michael Neuling
2012-06-14  6:15                       ` [PATCH 2/18] powerpc: modify macro ready for %r0 register change Michael Neuling
2012-06-14  6:15                       ` [PATCH 3/18] powerpc: fix usage of register macros getting ready for %r0 change Michael Neuling
2012-06-14  6:15                       ` [PATCH 4/18] powerpc: Fix sldi to take literal not register name Michael Neuling
2012-06-14  6:15                       ` [PATCH 5/18] powerpc: convert to %r for all GPR usage Michael Neuling
2012-06-14  6:15                       ` [PATCH 6/18] powerpc/pasemi: move lbz/stbciz to ppc-opcode.h Michael Neuling
2012-06-14  6:15                       ` [PATCH 7/18] powerpc: merge STK_REG/PARAM/FRAMESIZE Michael Neuling
2012-06-14  6:15                       ` [PATCH 8/18] powerpc: merge VCPU_GPR Michael Neuling
2012-06-14  6:15                       ` [PATCH 9/18] powerpc: change mtcrf to use real register names Michael Neuling
2012-06-14  6:15                       ` [PATCH 10/18] powerpc: change LOAD_REG_ADDR " Michael Neuling
2012-06-14  6:15                       ` [PATCH 11/18] powerpc: fixes for instructions not using correct register naming Michael Neuling
2012-06-14  6:15                       ` [PATCH 12/18] powerpc: fix VSX macros so register names aren't wrapped Michael Neuling
2012-06-14  6:15                       ` [PATCH 13/18] powerpc: introduce new ___PPC_RA/B/S/T macros Michael Neuling
2012-06-14  6:15                       ` [PATCH 14/18] powerpc: start using ___PPC_RA/B/S/T where necessary Michael Neuling
2012-06-14  6:15                       ` [PATCH 15/18] powerpc: Introduce new __REG_R macros Michael Neuling
2012-06-14  6:15                       ` [PATCH 16/18] powerpc: enforce usage of R0-R31 where possible Michael Neuling
2012-06-14  6:15                       ` [PATCH 17/18] powerpc: Add defines for RA 0-R31 Michael Neuling
2012-06-14  6:15                       ` [PATCH 18/18] powerpc: enforce usage of RA 0-R31 where possible Michael Neuling
2012-06-07  3:04     ` [PATCH] powerpc: Optimise the 64bit optimised __clear_user Paul Mackerras
2012-06-07 17:51       ` Scott Wood
2012-06-08  0:51         ` Benjamin Herrenschmidt
2012-06-08  7:34         ` Andreas Schwab
2012-06-07  0:30   ` Olof Johansson

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