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authorPeter Maydell <peter.maydell@linaro.org>2021-07-01 20:29:33 +0100
committerPeter Maydell <peter.maydell@linaro.org>2021-07-01 20:29:33 +0100
commit67e25eed977cb60e723b918207f0a3469baceef4 (patch)
treef2747b1a9dada61decebe2be28d427ac8c52f3dc /target/arm/translate-a64.c
parentdd62bf14b756821fa293e3465955a41e9d460deb (diff)
parentc86bd2dc4c1d37653c27293b2dacee6bb46bb995 (diff)
Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210629' into staging
TranslatorOps conversion for target/avr TranslatorOps conversion for target/cris TranslatorOps conversion for target/nios2 Simple vector operations on TCGv_i32 Host signal fixes for *BSD Improvements to tcg bswap operations # gpg: Signature made Tue 29 Jun 2021 19:51:03 BST # gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F # gpg: issuer "richard.henderson@linaro.org" # gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full] # Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F * remotes/rth-gitlab/tags/pull-tcg-20210629: (63 commits) tcg/riscv: Remove MO_BSWAP handling tcg/aarch64: Unset TCG_TARGET_HAS_MEMORY_BSWAP tcg/arm: Unset TCG_TARGET_HAS_MEMORY_BSWAP target/mips: Fix gen_mxu_s32ldd_s32lddr target/sh4: Improve swap.b translation target/i386: Improve bswap translation target/arm: Improve REVSH target/arm: Improve vector REV target/arm: Improve REV32 tcg: Make use of bswap flags in tcg_gen_qemu_st_* tcg: Make use of bswap flags in tcg_gen_qemu_ld_* tcg: Add flags argument to tcg_gen_bswap16_*, tcg_gen_bswap32_i64 tcg: Handle new bswap flags during optimize tcg/tci: Support bswap flags tcg/mips: Support bswap flags in tcg_out_bswap32 tcg/mips: Support bswap flags in tcg_out_bswap16 tcg/s390: Support bswap flags tcg/ppc: Use power10 byte-reverse instructions tcg/ppc: Support bswap flags tcg/ppc: Split out tcg_out_bswap64 ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/translate-a64.c')
-rw-r--r--target/arm/translate-a64.c21
1 files changed, 6 insertions, 15 deletions
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 7f74d0e81a..1a40e49db7 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -5430,22 +5430,13 @@ static void handle_rev32(DisasContext *s, unsigned int sf,
unsigned int rn, unsigned int rd)
{
TCGv_i64 tcg_rd = cpu_reg(s, rd);
+ TCGv_i64 tcg_rn = cpu_reg(s, rn);
if (sf) {
- TCGv_i64 tcg_tmp = tcg_temp_new_i64();
- TCGv_i64 tcg_rn = read_cpu_reg(s, rn, sf);
-
- /* bswap32_i64 requires zero high word */
- tcg_gen_ext32u_i64(tcg_tmp, tcg_rn);
- tcg_gen_bswap32_i64(tcg_rd, tcg_tmp);
- tcg_gen_shri_i64(tcg_tmp, tcg_rn, 32);
- tcg_gen_bswap32_i64(tcg_tmp, tcg_tmp);
- tcg_gen_concat32_i64(tcg_rd, tcg_rd, tcg_tmp);
-
- tcg_temp_free_i64(tcg_tmp);
+ tcg_gen_bswap64_i64(tcg_rd, tcg_rn);
+ tcg_gen_rotri_i64(tcg_rd, tcg_rd, 32);
} else {
- tcg_gen_ext32u_i64(tcg_rd, cpu_reg(s, rn));
- tcg_gen_bswap32_i64(tcg_rd, tcg_rd);
+ tcg_gen_bswap32_i64(tcg_rd, tcg_rn, TCG_BSWAP_OZ);
}
}
@@ -12453,10 +12444,10 @@ static void handle_rev(DisasContext *s, int opcode, bool u,
read_vec_element(s, tcg_tmp, rn, i, grp_size);
switch (grp_size) {
case MO_16:
- tcg_gen_bswap16_i64(tcg_tmp, tcg_tmp);
+ tcg_gen_bswap16_i64(tcg_tmp, tcg_tmp, TCG_BSWAP_IZ);
break;
case MO_32:
- tcg_gen_bswap32_i64(tcg_tmp, tcg_tmp);
+ tcg_gen_bswap32_i64(tcg_tmp, tcg_tmp, TCG_BSWAP_IZ);
break;
case MO_64:
tcg_gen_bswap64_i64(tcg_tmp, tcg_tmp);