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authorTaylor Simpson <tsimpson@quicinc.com>2021-04-08 20:07:53 -0500
committerRichard Henderson <richard.henderson@linaro.org>2021-05-01 16:06:11 -0700
commit7aa9ffab79eb2f3ba998333e3709c7b8dbc630f1 (patch)
tree0186e462d227ea98bf479e54c56adcb612911b1c /target/hexagon/gen_tcg.h
parent0d0b91a8049967f5e3bfd86e9d372d61b4019b77 (diff)
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Hexagon (target/hexagon) load into shifted register instructions
The following instructions are added L2_loadalignb_io Ryy32 = memb_fifo(Rs32+#s11:1) L2_loadalignh_io Ryy32 = memh_fifo(Rs32+#s11:1) L4_loadalignb_ur Ryy32 = memb_fifo(Rt32<<#u2+#U6) L4_loadalignh_ur Ryy32 = memh_fifo(Rt32<<#u2+#U6) L4_loadalignb_ap Ryy32 = memb_fifo(Re32=#U6) L4_loadalignh_ap Ryy32 = memh_fifo(Re32=#U6) L2_loadalignb_pr Ryy32 = memb_fifo(Rx32++Mu2) L2_loadalignh_pr Ryy32 = memh_fifo(Rx32++Mu2) L2_loadalignb_pbr Ryy32 = memb_fifo(Rx32++Mu2:brev) L2_loadalignh_pbr Ryy32 = memh_fifo(Rx32++Mu2:brev) L2_loadalignb_pi Ryy32 = memb_fifo(Rx32++#s4:1) L2_loadalignh_pi Ryy32 = memh_fifo(Rx32++#s4:1) L2_loadalignb_pci Ryy32 = memb_fifo(Rx32++#s4:1:circ(Mu2)) L2_loadalignh_pci Ryy32 = memh_fifo(Rx32++#s4:1:circ(Mu2)) L2_loadalignb_pcr Ryy32 = memb_fifo(Rx32++I:circ(Mu2)) L2_loadalignh_pcr Ryy32 = memh_fifo(Rx32++I:circ(Mu2)) Test cases in tests/tcg/hexagon/load_align.c Signed-off-by: Taylor Simpson <tsimpson@quicinc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <1617930474-31979-26-git-send-email-tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/hexagon/gen_tcg.h')
-rw-r--r--target/hexagon/gen_tcg.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/target/hexagon/gen_tcg.h b/target/hexagon/gen_tcg.h
index 1120aae..18fcdbc 100644
--- a/target/hexagon/gen_tcg.h
+++ b/target/hexagon/gen_tcg.h
@@ -261,6 +261,72 @@
fGEN_TCG_loadbXw4(GET_EA_pi, true)
/*
+ * These instructions load a half word, shift the destination right by 16 bits
+ * and place the loaded value in the high half word of the destination pair.
+ * The GET_EA macro determines the addressing mode.
+ */
+#define fGEN_TCG_loadalignh(GET_EA) \
+ do { \
+ TCGv tmp = tcg_temp_new(); \
+ TCGv_i64 tmp_i64 = tcg_temp_new_i64(); \
+ GET_EA; \
+ fLOAD(1, 2, u, EA, tmp); \
+ tcg_gen_extu_i32_i64(tmp_i64, tmp); \
+ tcg_gen_shri_i64(RyyV, RyyV, 16); \
+ tcg_gen_deposit_i64(RyyV, RyyV, tmp_i64, 48, 16); \
+ tcg_temp_free(tmp); \
+ tcg_temp_free_i64(tmp_i64); \
+ } while (0)
+
+#define fGEN_TCG_L4_loadalignh_ur(SHORTCODE) \
+ fGEN_TCG_loadalignh(fEA_IRs(UiV, RtV, uiV))
+#define fGEN_TCG_L2_loadalignh_io(SHORTCODE) \
+ fGEN_TCG_loadalignh(fEA_RI(RsV, siV))
+#define fGEN_TCG_L2_loadalignh_pci(SHORTCODE) \
+ fGEN_TCG_loadalignh(GET_EA_pci)
+#define fGEN_TCG_L2_loadalignh_pcr(SHORTCODE) \
+ fGEN_TCG_loadalignh(GET_EA_pcr(1))
+#define fGEN_TCG_L4_loadalignh_ap(SHORTCODE) \
+ fGEN_TCG_loadalignh(GET_EA_ap)
+#define fGEN_TCG_L2_loadalignh_pr(SHORTCODE) \
+ fGEN_TCG_loadalignh(GET_EA_pr)
+#define fGEN_TCG_L2_loadalignh_pbr(SHORTCODE) \
+ fGEN_TCG_loadalignh(GET_EA_pbr)
+#define fGEN_TCG_L2_loadalignh_pi(SHORTCODE) \
+ fGEN_TCG_loadalignh(GET_EA_pi)
+
+/* Same as above, but loads a byte instead of half word */
+#define fGEN_TCG_loadalignb(GET_EA) \
+ do { \
+ TCGv tmp = tcg_temp_new(); \
+ TCGv_i64 tmp_i64 = tcg_temp_new_i64(); \
+ GET_EA; \
+ fLOAD(1, 1, u, EA, tmp); \
+ tcg_gen_extu_i32_i64(tmp_i64, tmp); \
+ tcg_gen_shri_i64(RyyV, RyyV, 8); \
+ tcg_gen_deposit_i64(RyyV, RyyV, tmp_i64, 56, 8); \
+ tcg_temp_free(tmp); \
+ tcg_temp_free_i64(tmp_i64); \
+ } while (0)
+
+#define fGEN_TCG_L2_loadalignb_io(SHORTCODE) \
+ fGEN_TCG_loadalignb(fEA_RI(RsV, siV))
+#define fGEN_TCG_L4_loadalignb_ur(SHORTCODE) \
+ fGEN_TCG_loadalignb(fEA_IRs(UiV, RtV, uiV))
+#define fGEN_TCG_L2_loadalignb_pci(SHORTCODE) \
+ fGEN_TCG_loadalignb(GET_EA_pci)
+#define fGEN_TCG_L2_loadalignb_pcr(SHORTCODE) \
+ fGEN_TCG_loadalignb(GET_EA_pcr(0))
+#define fGEN_TCG_L4_loadalignb_ap(SHORTCODE) \
+ fGEN_TCG_loadalignb(GET_EA_ap)
+#define fGEN_TCG_L2_loadalignb_pr(SHORTCODE) \
+ fGEN_TCG_loadalignb(GET_EA_pr)
+#define fGEN_TCG_L2_loadalignb_pbr(SHORTCODE) \
+ fGEN_TCG_loadalignb(GET_EA_pbr)
+#define fGEN_TCG_L2_loadalignb_pi(SHORTCODE) \
+ fGEN_TCG_loadalignb(GET_EA_pi)
+
+/*
* Predicated loads
* Here is a primer to understand the tag names
*