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| author | Xavier Leroy <xavier.leroy@college-de-france.fr> | 2021-06-10 09:52:47 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavier.leroy@college-de-france.fr> | 2021-08-22 13:22:37 +0200 |
| commit | e9f40aaca38ba81f3e9e5c0a5e03de9fa074d838 (patch) | |
| tree | 3c0fb02295c22135786f8633613bd8320472c37a /riscV | |
| parent | 4fe221a26400fcf1aaca74889afffa5d01897b13 (diff) | |
| download | compcert-kvx-e9f40aaca38ba81f3e9e5c0a5e03de9fa074d838.tar.gz compcert-kvx-e9f40aaca38ba81f3e9e5c0a5e03de9fa074d838.zip | |
Int.sign_ext_shr_shl: weaker hypothesis
Works also for sign_ext 32.
ARM, RISC-V: adapt Asmgenproof1 accordingly
Diffstat (limited to 'riscV')
| -rw-r--r-- | riscV/Asmgenproof1.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/riscV/Asmgenproof1.v b/riscV/Asmgenproof1.v index 8195ce44..af53754e 100644 --- a/riscV/Asmgenproof1.v +++ b/riscV/Asmgenproof1.v @@ -1010,14 +1010,14 @@ Opaque Int.eq. split; intros; Simpl. assert (A: Int.ltu (Int.repr 24) Int.iwordsize = true) by auto. destruct (rs x0); auto; simpl. rewrite A; simpl. rewrite A. - apply Val.lessdef_same. f_equal. apply Int.sign_ext_shr_shl. split; reflexivity. + apply Val.lessdef_same. f_equal. apply Int.sign_ext_shr_shl. compute; intuition congruence. - (* cast16signed *) econstructor; split. eapply exec_straight_two. simpl;eauto. simpl;eauto. auto. auto. split; intros; Simpl. assert (A: Int.ltu (Int.repr 16) Int.iwordsize = true) by auto. destruct (rs x0); auto; simpl. rewrite A; simpl. rewrite A. - apply Val.lessdef_same. f_equal. apply Int.sign_ext_shr_shl. split; reflexivity. + apply Val.lessdef_same. f_equal. apply Int.sign_ext_shr_shl. compute; intuition congruence. - (* addimm *) exploit (opimm32_correct Paddw Paddiw Val.add); auto. instantiate (1 := x0); eauto with asmgen. intros (rs' & A & B & C). |