diff options
Diffstat (limited to 'gcc/config/aarch64/aarch64.c')
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 92937bb87b4..86549979773 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -3625,6 +3625,9 @@ aarch64_select_cc_mode (RTX_CODE code, rtx x, rtx y) return CCmode; } +static int +aarch64_get_condition_code_1 (enum machine_mode, enum rtx_code); + int aarch64_get_condition_code (rtx x) { @@ -3633,7 +3636,13 @@ aarch64_get_condition_code (rtx x) if (GET_MODE_CLASS (mode) != MODE_CC) mode = SELECT_CC_MODE (comp_code, XEXP (x, 0), XEXP (x, 1)); + return aarch64_get_condition_code_1 (mode, comp_code); +} +static int +aarch64_get_condition_code_1 (enum machine_mode mode, enum rtx_code comp_code) +{ + int ne = -1, eq = -1; switch (mode) { case CCFPmode: @@ -3656,6 +3665,56 @@ aarch64_get_condition_code (rtx x) } break; + case CC_DNEmode: + ne = AARCH64_NE; + eq = AARCH64_EQ; + break; + + case CC_DEQmode: + ne = AARCH64_EQ; + eq = AARCH64_NE; + break; + + case CC_DGEmode: + ne = AARCH64_GE; + eq = AARCH64_LT; + break; + + case CC_DLTmode: + ne = AARCH64_LT; + eq = AARCH64_GE; + break; + + case CC_DGTmode: + ne = AARCH64_GT; + eq = AARCH64_LE; + break; + + case CC_DLEmode: + ne = AARCH64_LE; + eq = AARCH64_GT; + break; + + case CC_DGEUmode: + ne = AARCH64_CS; + eq = AARCH64_CC; + break; + + case CC_DLTUmode: + ne = AARCH64_CC; + eq = AARCH64_CS; + break; + + case CC_DGTUmode: + ne = AARCH64_HI; + eq = AARCH64_LS; + break; + + case CC_DLEUmode: + ne = AARCH64_LS; + eq = AARCH64_HI; + break; + case CCmode: switch (comp_code) { @@ -3716,6 +3775,14 @@ aarch64_get_condition_code (rtx x) return -1; break; } + + if (comp_code == NE) + return ne; + + if (comp_code == EQ) + return eq; + + return -1; } bool |