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[PULL 50/87] target/ppc: Refactor VSX_MAX_MINC helper
From: |
Cédric Le Goater |
Subject: |
[PULL 50/87] target/ppc: Refactor VSX_MAX_MINC helper |
Date: |
Wed, 2 Mar 2022 12:07:26 +0100 |
From: Víctor Colombo <victor.colombo@eldorado.org.br>
Refactor xs{max,min}cdp VSX_MAX_MINC helper to prepare for
xs{max,min}cqp implementation.
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220225210936.1749575-45-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
target/ppc/fpu_helper.c | 41 +++++++++++++++++------------------------
1 file changed, 17 insertions(+), 24 deletions(-)
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index 4bfa1c428311..0aaf529ac8d0 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -2533,40 +2533,33 @@ VSX_MAX_MIN(xsmindp, minnum, 1, float64, VsrD(0))
VSX_MAX_MIN(xvmindp, minnum, 2, float64, VsrD(i))
VSX_MAX_MIN(xvminsp, minnum, 4, float32, VsrW(i))
-#define VSX_MAX_MINC(name, max) \
+#define VSX_MAX_MINC(name, max, tp, fld) \
void helper_##name(CPUPPCState *env, \
ppc_vsr_t *xt, ppc_vsr_t *xa, ppc_vsr_t *xb) \
{ \
ppc_vsr_t t = { }; \
- bool vxsnan_flag = false, vex_flag = false; \
+ bool first; \
\
- if (unlikely(float64_is_any_nan(xa->VsrD(0)) || \
- float64_is_any_nan(xb->VsrD(0)))) { \
- if (float64_is_signaling_nan(xa->VsrD(0), &env->fp_status) || \
- float64_is_signaling_nan(xb->VsrD(0), &env->fp_status)) { \
- vxsnan_flag = true; \
- } \
- t.VsrD(0) = xb->VsrD(0); \
- } else if ((max && \
- !float64_lt(xa->VsrD(0), xb->VsrD(0), &env->fp_status)) || \
- (!max && \
- float64_lt(xa->VsrD(0), xb->VsrD(0), &env->fp_status))) { \
- t.VsrD(0) = xa->VsrD(0); \
+ if (max) { \
+ first = tp##_le_quiet(xb->fld, xa->fld, &env->fp_status); \
} else { \
- t.VsrD(0) = xb->VsrD(0); \
+ first = tp##_lt_quiet(xa->fld, xb->fld, &env->fp_status); \
} \
\
- vex_flag = fpscr_ve & vxsnan_flag; \
- if (vxsnan_flag) { \
- float_invalid_op_vxsnan(env, GETPC()); \
- } \
- if (!vex_flag) { \
- *xt = t; \
+ if (first) { \
+ t.fld = xa->fld; \
+ } else { \
+ t.fld = xb->fld; \
+ if (env->fp_status.float_exception_flags & float_flag_invalid_snan) { \
+ float_invalid_op_vxsnan(env, GETPC()); \
+ } \
} \
-} \
+ \
+ *xt = t; \
+}
-VSX_MAX_MINC(XSMAXCDP, 1);
-VSX_MAX_MINC(XSMINCDP, 0);
+VSX_MAX_MINC(XSMAXCDP, true, float64, VsrD(0));
+VSX_MAX_MINC(XSMINCDP, false, float64, VsrD(0));
#define VSX_MAX_MINJ(name, max) \
void helper_##name(CPUPPCState *env, \
--
2.34.1
- [PULL 38/87] target/ppc: Implement xxpermx instruction, (continued)
- [PULL 38/87] target/ppc: Implement xxpermx instruction, Cédric Le Goater, 2022/03/02
- [PULL 35/87] target/ppc: Move xxsel to decodetree, Cédric Le Goater, 2022/03/02
- [PULL 29/87] target/ppc: move vrl[bhwd] to decodetree, Cédric Le Goater, 2022/03/02
- [PULL 09/87] target/ppc: Moved vector multiply high and low to decodetree, Cédric Le Goater, 2022/03/02
- [PULL 39/87] tcg/tcg-op-gvec.c: Introduce tcg_gen_gvec_4i, Cédric Le Goater, 2022/03/02
- [PULL 40/87] target/ppc: Implement xxeval, Cédric Le Goater, 2022/03/02
- [PULL 42/87] target/ppc: move xs[n]madd[am][ds]p/xs[n]msub[am][ds]p to decodetree, Cédric Le Goater, 2022/03/02
- [PULL 46/87] target/ppc: Refactor VSX_SCALAR_CMP_DP, Cédric Le Goater, 2022/03/02
- [PULL 56/87] ppc/xive2: Introduce a XIVE2 core framework, Cédric Le Goater, 2022/03/02
- [PULL 55/87] target/ppc: implement lxvr[bhwd]/stxvr[bhwd]x, Cédric Le Goater, 2022/03/02
- [PULL 50/87] target/ppc: Refactor VSX_MAX_MINC helper,
Cédric Le Goater <=
- [PULL 51/87] target/ppc: Implement xs{max,min}cqp, Cédric Le Goater, 2022/03/02
- [PULL 57/87] ppc/xive2: Introduce a presenter matching routine, Cédric Le Goater, 2022/03/02
- [PULL 65/87] ppc/xive: Add support for PQ state bits offload, Cédric Le Goater, 2022/03/02
- [PULL 36/87] target/ppc: move xxperm/xxpermr to decodetree, Cédric Le Goater, 2022/03/02
- [PULL 37/87] target/ppc: Move xxpermdi to decodetree, Cédric Le Goater, 2022/03/02
- [PULL 47/87] target/ppc: Implement xscmp{eq,ge,gt}qp, Cédric Le Goater, 2022/03/02
- [PULL 41/87] target/ppc: Implement xxgenpcv[bhwd]m instruction, Cédric Le Goater, 2022/03/02
- [PULL 73/87] pnv/xive2: Add support for 8bits thread id, Cédric Le Goater, 2022/03/02
- [PULL 59/87] ppc/pnv: Add a OCC model for POWER10, Cédric Le Goater, 2022/03/02
- [PULL 54/87] target/ppc: implement plxssp/pstxssp, Cédric Le Goater, 2022/03/02