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From f024b8937d8b614994b94e86d2240fafcc7d2d73 Mon Sep 17 00:00:00 2001
From: Richard Henderson <richard.henderson@linaro.org>
Date: Fri, 17 Dec 2021 17:57:15 +0100
Subject: [PATCH 10/21] target/ppc: Split out do_fmadd
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Create a common function for all of the madd helpers.
Let the compiler tail call or inline as it chooses.
Upstream-Status: Backport
[https://git.qemu.org/?p=qemu.git;a=commit;h=ffdaff8e9c698061f57a6b1827570562c5a1c909]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211119160502.17432-20-richard.henderson@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Xiangyu Chen <xiangyu.chen@windriver.com>
---
target/ppc/fpu_helper.c | 33 ++++++++++++++++++---------------
1 file changed, 18 insertions(+), 15 deletions(-)
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index 3b1cb25666..9a1e7e6244 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -649,23 +649,26 @@ static void float_invalid_op_madd(CPUPPCState *env, int flags,
}
}
-#define FPU_FMADD(op, madd_flags) \
-uint64_t helper_##op(CPUPPCState *env, uint64_t arg1, \
- uint64_t arg2, uint64_t arg3) \
-{ \
- uint32_t flags; \
- float64 ret = float64_muladd(arg1, arg2, arg3, madd_flags, \
- &env->fp_status); \
- flags = get_float_exception_flags(&env->fp_status); \
- if (flags) { \
- if (flags & float_flag_invalid) { \
- float_invalid_op_madd(env, flags, 1, GETPC()); \
- } \
- do_float_check_status(env, GETPC()); \
- } \
- return ret; \
+static float64 do_fmadd(CPUPPCState *env, float64 a, float64 b,
+ float64 c, int madd_flags, uintptr_t retaddr)
+{
+ float64 ret = float64_muladd(a, b, c, madd_flags, &env->fp_status);
+ int flags = get_float_exception_flags(&env->fp_status);
+
+ if (flags) {
+ if (flags & float_flag_invalid) {
+ float_invalid_op_madd(env, flags, 1, retaddr);
+ }
+ do_float_check_status(env, retaddr);
+ }
+ return ret;
}
+#define FPU_FMADD(op, madd_flags) \
+ uint64_t helper_##op(CPUPPCState *env, uint64_t arg1, \
+ uint64_t arg2, uint64_t arg3) \
+ { return do_fmadd(env, arg1, arg2, arg3, madd_flags, GETPC()); }
+
#define MADD_FLGS 0
#define MSUB_FLGS float_muladd_negate_c
#define NMADD_FLGS float_muladd_negate_result
--
2.17.1
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