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-rw-r--r--poky/meta/recipes-devtools/qemu/qemu/0010-target-ppc-Split-out-do_fmadd.patch71
1 files changed, 71 insertions, 0 deletions
diff --git a/poky/meta/recipes-devtools/qemu/qemu/0010-target-ppc-Split-out-do_fmadd.patch b/poky/meta/recipes-devtools/qemu/qemu/0010-target-ppc-Split-out-do_fmadd.patch
new file mode 100644
index 0000000000..4d19773200
--- /dev/null
+++ b/poky/meta/recipes-devtools/qemu/qemu/0010-target-ppc-Split-out-do_fmadd.patch
@@ -0,0 +1,71 @@
+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
+