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authorLucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>2022-05-24 11:05:36 -0300
committerDaniel Henrique Barboza <danielhb413@gmail.com>2022-05-26 17:11:33 -0300
commit5724e131ca6cd970555e66fb47b90b287ffa8ea0 (patch)
tree1a5b0235bd17694a714fa868ada4980fab701af1 /target/ppc/fpu_helper.c
parent6f642338dc929a513ba5ba8f07a23894ba235bd0 (diff)
target/ppc: Implemented [pm]xvbf16ger2*
Implement the following PowerISA v3.1 instructions: xvbf16ger2: VSX Vector bfloat16 GER (rank-2 update) xvbf16ger2nn: VSX Vector bfloat16 GER (rank-2 update) Negative multiply, Negative accumulate xvbf16ger2np: VSX Vector bfloat16 GER (rank-2 update) Negative multiply, Positive accumulate xvbf16ger2pn: VSX Vector bfloat16 GER (rank-2 update) Positive multiply, Negative accumulate xvbf16ger2pp: VSX Vector bfloat16 GER (rank-2 update) Positive multiply, Positive accumulate pmxvbf16ger2: Prefixed Masked VSX Vector bfloat16 GER (rank-2 update) pmxvbf16ger2nn: Prefixed Masked VSX Vector bfloat16 GER (rank-2 update) Negative multiply, Negative accumulate pmxvbf16ger2np: Prefixed Masked VSX Vector bfloat16 GER (rank-2 update) Negative multiply, Positive accumulate pmxvbf16ger2pn: Prefixed Masked VSX Vector bfloat16 GER (rank-2 update) Positive multiply, Negative accumulate pmxvbf16ger2pp: Prefixed Masked VSX Vector bfloat16 GER (rank-2 update) Positive multiply, Positive accumulate Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220524140537.27451-8-lucas.araujo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'target/ppc/fpu_helper.c')
-rw-r--r--target/ppc/fpu_helper.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index a9b2ef370f..fed0ce420a 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -3517,6 +3517,11 @@ static float64 extract_hf16(float16 in, float_status *fp_status)
return float16_to_float64(in, true, fp_status);
}
+static float64 extract_bf16(bfloat16 in, float_status *fp_status)
+{
+ return bfloat16_to_float64(in, fp_status);
+}
+
static void vsxger16(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
ppc_acc_t *at, uint32_t mask, bool acc,
bool neg_mul, bool neg_acc, extract_f16 extract)
@@ -3640,6 +3645,41 @@ static void vsxger(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
}
QEMU_FLATTEN
+void helper_XVBF16GER2(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
+ ppc_acc_t *at, uint32_t mask)
+{
+ vsxger16(env, a, b, at, mask, false, false, false, extract_bf16);
+}
+
+QEMU_FLATTEN
+void helper_XVBF16GER2PP(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
+ ppc_acc_t *at, uint32_t mask)
+{
+ vsxger16(env, a, b, at, mask, true, false, false, extract_bf16);
+}
+
+QEMU_FLATTEN
+void helper_XVBF16GER2PN(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
+ ppc_acc_t *at, uint32_t mask)
+{
+ vsxger16(env, a, b, at, mask, true, false, true, extract_bf16);
+}
+
+QEMU_FLATTEN
+void helper_XVBF16GER2NP(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
+ ppc_acc_t *at, uint32_t mask)
+{
+ vsxger16(env, a, b, at, mask, true, true, false, extract_bf16);
+}
+
+QEMU_FLATTEN
+void helper_XVBF16GER2NN(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
+ ppc_acc_t *at, uint32_t mask)
+{
+ vsxger16(env, a, b, at, mask, true, true, true, extract_bf16);
+}
+
+QEMU_FLATTEN
void helper_XVF16GER2(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
ppc_acc_t *at, uint32_t mask)
{