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[193.116.106.251]) by smtp.gmail.com with ESMTPSA id d62-20020a623641000000b005627ddbc7a4sm3599599pfa.191.2022.10.30.22.54.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Oct 2022 22:54:59 -0700 (PDT) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH 05/19] powerpc/32: Use load and store multiple in GPR save/restore macros Date: Mon, 31 Oct 2022 15:54:26 +1000 Message-Id: <20221031055440.3594315-6-npiggin@gmail.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20221031055440.3594315-1-npiggin@gmail.com> References: <20221031055440.3594315-1-npiggin@gmail.com> MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nicholas Piggin Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" --- arch/powerpc/include/asm/ppc_asm.h | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 753a2757bcd4..ac44383d350a 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -57,8 +57,22 @@ #define SAVE_NVGPRS(base) SAVE_GPRS(14, 31, base) #define REST_NVGPRS(base) REST_GPRS(14, 31, base) #else -#define SAVE_GPRS(start, end, base) OP_REGS stw, 4, start, end, base, GPR0 -#define REST_GPRS(start, end, base) OP_REGS lwz, 4, start, end, base, GPR0 +.macro __SAVE_GPRS start, end, base, offset + .if \end == 31 + stmw \start,\offset(\base) + .else + OP_REGS stw, 4, \start, \end, \base, \offset + .endif +.endm +.macro __REST_GPRS start, end, base, offset + .if \end == 31 + lmw \start,\offset(\base) + .else + OP_REGS lwz, 4, \start, \end, \base, \offset + .endif +.endm +#define SAVE_GPRS(start, end, base) __SAVE_GPRS start, end, base, GPR0 +#define REST_GPRS(start, end, base) __REST_GPRS start, end, base, GPR0 #define SAVE_NVGPRS(base) SAVE_GPRS(13, 31, base) #define REST_NVGPRS(base) REST_GPRS(13, 31, base) #endif